|
Home Return to list Heat Advisory 0002 Issued by the San Diego Forecast Office
Action: New Issued At: 2026-03-14 14:18:50 288 WWUS76 KSGX 141918 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1218 PM PDT Sat Mar 14 2026 CAZ043-048-050-057-552-554-150515- /O.UPG.KSGX.XH.A.0001.260316T1700Z-260321T0300Z/ /O.NEW.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of San Diego, Costa Mesa, Ontario, Newport Beach, Chula Vista, National City, Laguna Beach, Fullerton, Anaheim, Oceanside, Santa Ana, San Bernardino, El Cajon, Carlsbad, Mission Viejo, Santee, San Marcos, Orange, Encinitas, Corona, Irvine, Huntington Beach, Moreno Valley, Escondido, Fontana, San Clemente, Poway, Rancho Cucamonga, La Mesa, Riverside, Vista, and Garden Grove 1218 PM PDT Sat Mar 14 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... * WHAT...Very hot conditions with temperatures 80 to 90 degrees near the coast, near 100 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures for the upcoming week will be 20 to 30 degrees above normal for this time of year, where record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. To reduce risk during outdoor work, take frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ APR Action: Continued Issued At: 2026-03-14 23:08:06 736 WWUS76 KSGX 150407 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 907 PM PDT Sat Mar 14 2026 CAZ043-048-050-057-552-554-151315- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Ontario, La Mesa, Rancho Cucamonga, Chula Vista, San Diego, Poway, San Marcos, Corona, Encinitas, Escondido, Santee, National City, Vista, Carlsbad, Riverside, Fullerton, Mission Viejo, San Bernardino, Oceanside, Garden Grove, El Cajon, Fontana, Orange, Santa Ana, Huntington Beach, Irvine, Moreno Valley, Costa Mesa, and Anaheim 907 PM PDT Sat Mar 14 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... * WHAT...Very hot conditions with temperatures 80 to 90 degrees near the coast, near 100 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures for the upcoming week will be 20 to 30 degrees above normal for this time of year, where record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. To reduce risk during outdoor work, take frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ PS Action: Continued Issued At: 2026-03-15 03:36:03 738 WWUS76 KSGX 150835 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 135 AM PDT Sun Mar 15 2026 CAZ043-048-050-057-552-554-152115- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Oceanside, Garden Grove, Ontario, Anaheim, Mission Viejo, San Diego, Santee, Corona, Vista, Encinitas, Huntington Beach, Escondido, Carlsbad, Moreno Valley, National City, San Marcos, San Bernardino, Rancho Cucamonga, La Mesa, Poway, Orange, Fullerton, Santa Ana, El Cajon, Fontana, Costa Mesa, Chula Vista, Riverside, and Irvine 135 AM PDT Sun Mar 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-152115- /O.NEW.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Julian, Pine Valley, Big Bear Lake, Running Springs, Wrightwood, Crestline, Idyllwild-Pine Cove, Big Bear City, and Lake Arrowhead 135 AM PDT Sun Mar 15 2026 ...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Hot conditions with temperatures 85 to 95 possible below 5500 ft elevation. * WHERE...Riverside County Mountains and San Bernardino County Mountains below 5500 ft, and the San Diego County Mountains. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ CAZ061-062-065-152115- /O.NEW.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Coachella, Palm Desert, Cathedral City, Indio, La Quinta, Borrego Springs, Palm Desert Country, and Palm Springs 135 AM PDT Sun Mar 15 2026 ...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures 105 to 110 possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ SS Action: Continued Issued At: 2026-03-15 13:45:22 841 WWUS76 KSGX 151844 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1144 AM PDT Sun Mar 15 2026 CAZ043-048-050-057-552-554-160500- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Anaheim, Chula Vista, El Cajon, Corona, Santee, San Bernardino, Encinitas, Moreno Valley, Fontana, Poway, San Marcos, Garden Grove, San Diego, Escondido, La Mesa, Irvine, Fullerton, National City, Oceanside, Huntington Beach, Riverside, Costa Mesa, Santa Ana, Carlsbad, Orange, Mission Viejo, Rancho Cucamonga, Vista, and Ontario 1144 AM PDT Sun Mar 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. To reduce risk during outdoor work, take frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-160500- /O.CON.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Julian, Big Bear Lake, Wrightwood, Idyllwild-Pine Cove, Crestline, Pine Valley, Running Springs, Lake Arrowhead, and Big Bear City 1144 AM PDT Sun Mar 15 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Hot conditions with temperatures 85 to 95 possible below 5500 ft elevation. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ CAZ061-062-065-160500- /O.CON.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Palm Springs, Cathedral City, Palm Desert Country, Coachella, Borrego Springs, La Quinta, Indio, and Palm Desert 1144 AM PDT Sun Mar 15 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures 105 to 110 possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ APR Action: Continued Issued At: 2026-03-15 23:11:38 423 WWUS76 KSGX 160411 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 911 PM PDT Sun Mar 15 2026 CAZ043-048-050-057-552-554-161315- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of San Bernardino, Vista, Moreno Valley, Encinitas, Fontana, Anaheim, Corona, Garden Grove, Chula Vista, Irvine, Costa Mesa, San Marcos, Mission Viejo, Rancho Cucamonga, Ontario, Santa Ana, Huntington Beach, Riverside, National City, Santee, Escondido, Oceanside, Fullerton, Carlsbad, San Diego, El Cajon, Poway, La Mesa, and Orange 911 PM PDT Sun Mar 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. To reduce risk during outdoor work, take frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-161315- /O.CON.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Running Springs, Lake Arrowhead, Idyllwild-Pine Cove, Pine Valley, Crestline, Julian, Big Bear Lake, Big Bear City, and Wrightwood 911 PM PDT Sun Mar 15 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Hot conditions with temperatures 85 to 95 possible below 5500 ft elevation. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ CAZ061-062-065-161315- /O.CON.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Indio, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Cathedral City, and Palm Springs 911 PM PDT Sun Mar 15 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures 105 to 110 possible. There could also be a few locations within the lowest elevations of the Coachella Valley approaching 115. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Reduce outdoor recreation, especially each afternoon. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ PS Action: Continued Issued At: 2026-03-16 04:43:35 824 WWUS76 KSGX 160943 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 243 AM PDT Mon Mar 16 2026 CAZ043-048-050-057-552-554-162300- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Santee, Carlsbad, San Bernardino, Encinitas, Anaheim, Ontario, Moreno Valley, Irvine, Corona, San Marcos, San Diego, Chula Vista, Fullerton, El Cajon, Oceanside, Poway, Huntington Beach, Santa Ana, Costa Mesa, La Mesa, Rancho Cucamonga, National City, Mission Viejo, Orange, Vista, Escondido, Fontana, Garden Grove, and Riverside 243 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... * WHAT...High temperatures in the mid 80s to mid 90s for inland coastal areas to the mid 90s to 102 for the valleys are expected with the peak of the heat around Thursday. Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 105 inland. Hottest weather likely on Thursday and Friday. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM this morning to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ055-056-058-162300- /O.CON.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Idyllwild-Pine Cove, Big Bear Lake, Lake Arrowhead, Wrightwood, Crestline, Julian, Running Springs, Pine Valley, and Big Bear City 243 AM PDT Mon Mar 16 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...High temperatures in the lower to mid 90s below 4500 feet and in the 80s from 4500 to 6500 feet possible. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ061-062-065-162300- /O.CON.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Cathedral City, Indio, Palm Desert Country, Palm Desert, La Quinta, Borrego Springs, Coachella, and Palm Springs 243 AM PDT Mon Mar 16 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with high temperatures of 106 to 114 possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ 17 Action: Time and Area Extended Issued At: 2026-03-16 11:16:46 670 WWUS76 KSGX 161616 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 916 AM PDT Mon Mar 16 2026 CAZ061-062-065-170530- /O.UPG.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ /O.NEW.KSGX.XH.W.0001.260318T1700Z-260322T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Cathedral City, Palm Desert Country, Palm Springs, Indio, Palm Desert, Coachella, Borrego Springs, and La Quinta 916 AM PDT Mon Mar 16 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 104 to 112 degrees expected, high temperatures locally up to 114 possible Thursday/Friday. Low temperatures will be in the low to mid-70s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Major HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ055-056-058-170530- /O.UPG.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ /O.EXB.KSGX.HT.Y.0002.260318T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Pine Valley, Big Bear City, Idyllwild-Pine Cove, Julian, Running Springs, Crestline, Big Bear Lake, and Lake Arrowhead 916 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...High temperatures in the lower to mid 90s below 4500 feet and in the 80s from 4500 to 6500 feet possible. Overnight low temperatures will be in the low to mid-60s. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-048-050-057-552-554-170530- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Orange, Santee, Oceanside, Chula Vista, Escondido, Anaheim, Vista, Irvine, Huntington Beach, Corona, La Mesa, National City, Fullerton, Mission Viejo, Carlsbad, San Diego, Rancho Cucamonga, Poway, Garden Grove, Fontana, Moreno Valley, Riverside, San Marcos, Encinitas, El Cajon, Ontario, Santa Ana, San Bernardino, and Costa Mesa 916 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 102, locally up to 105 degrees inland. Overnight lows will be in the 60s. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate to locally Major HeatRisk is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CO Action: Continued Issued At: 2026-03-16 11:16:46 670 WWUS76 KSGX 161616 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 916 AM PDT Mon Mar 16 2026 CAZ061-062-065-170530- /O.UPG.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ /O.NEW.KSGX.XH.W.0001.260318T1700Z-260322T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Cathedral City, Palm Desert Country, Palm Springs, Indio, Palm Desert, Coachella, Borrego Springs, and La Quinta 916 AM PDT Mon Mar 16 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 104 to 112 degrees expected, high temperatures locally up to 114 possible Thursday/Friday. Low temperatures will be in the low to mid-70s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Major HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ055-056-058-170530- /O.UPG.KSGX.XH.A.0002.260319T1700Z-260321T0300Z/ /O.EXB.KSGX.HT.Y.0002.260318T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Pine Valley, Big Bear City, Idyllwild-Pine Cove, Julian, Running Springs, Crestline, Big Bear Lake, and Lake Arrowhead 916 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...High temperatures in the lower to mid 90s below 4500 feet and in the 80s from 4500 to 6500 feet possible. Overnight low temperatures will be in the low to mid-60s. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-048-050-057-552-554-170530- /O.CON.KSGX.HT.Y.0002.260316T1700Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Orange, Santee, Oceanside, Chula Vista, Escondido, Anaheim, Vista, Irvine, Huntington Beach, Corona, La Mesa, National City, Fullerton, Mission Viejo, Carlsbad, San Diego, Rancho Cucamonga, Poway, Garden Grove, Fontana, Moreno Valley, Riverside, San Marcos, Encinitas, El Cajon, Ontario, Santa Ana, San Bernardino, and Costa Mesa 916 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 102, locally up to 105 degrees inland. Overnight lows will be in the 60s. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate to locally Major HeatRisk is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CO Action: Continued Issued At: 2026-03-16 23:54:34 198 WWUS76 KSGX 170454 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 954 PM PDT Mon Mar 16 2026 CAZ061-062-065-171315- /O.CON.KSGX.XH.W.0001.260318T1700Z-260322T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Borrego Springs, Palm Springs, Indio, Coachella, Palm Desert Country, La Quinta, Palm Desert, and Cathedral City 954 PM PDT Mon Mar 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 104 to 112 degrees expected, high temperatures locally up to 114 possible Thursday/Friday. Low temperatures will be in the low to mid-70s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Major HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-048-050-057-552-554-171315- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Fullerton, Mission Viejo, San Marcos, Moreno Valley, Ontario, Vista, Carlsbad, El Cajon, San Diego, Rancho Cucamonga, Fontana, Riverside, Encinitas, Escondido, Poway, Huntington Beach, Costa Mesa, La Mesa, Chula Vista, Santa Ana, Oceanside, Irvine, Orange, National City, Corona, Garden Grove, Anaheim, Santee, and San Bernardino 954 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 102, locally up to 105 degrees inland. Overnight lows will be in the 60s. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate to locally Major HeatRisk is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ055-056-058-171315- /O.CON.KSGX.HT.Y.0002.260318T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Julian, Lake Arrowhead, Idyllwild-Pine Cove, Pine Valley, and Crestline 954 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...High temperatures in the lower to mid 90s below 4500 feet and in the 80s from 4500 to 6500 feet possible. Overnight low temperatures will be in the low to mid-60s. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ PS Action: Continued Issued At: 2026-03-16 23:54:34 198 WWUS76 KSGX 170454 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 954 PM PDT Mon Mar 16 2026 CAZ061-062-065-171315- /O.CON.KSGX.XH.W.0001.260318T1700Z-260322T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Borrego Springs, Palm Springs, Indio, Coachella, Palm Desert Country, La Quinta, Palm Desert, and Cathedral City 954 PM PDT Mon Mar 16 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 104 to 112 degrees expected, high temperatures locally up to 114 possible Thursday/Friday. Low temperatures will be in the low to mid-70s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Major HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-048-050-057-552-554-171315- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Fullerton, Mission Viejo, San Marcos, Moreno Valley, Ontario, Vista, Carlsbad, El Cajon, San Diego, Rancho Cucamonga, Fontana, Riverside, Encinitas, Escondido, Poway, Huntington Beach, Costa Mesa, La Mesa, Chula Vista, Santa Ana, Oceanside, Irvine, Orange, National City, Corona, Garden Grove, Anaheim, Santee, and San Bernardino 954 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Hot conditions with temperatures 80 to 90 degrees near the coast and 95 to 102, locally up to 105 degrees inland. Overnight lows will be in the 60s. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. Increased heat impacts due to long-duration early season heat wave. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate to locally Major HeatRisk is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ055-056-058-171315- /O.CON.KSGX.HT.Y.0002.260318T1700Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Julian, Lake Arrowhead, Idyllwild-Pine Cove, Pine Valley, and Crestline 954 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...High temperatures in the lower to mid 90s below 4500 feet and in the 80s from 4500 to 6500 feet possible. Overnight low temperatures will be in the low to mid-60s. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...High temperatures this week will be 20 to 30 degrees above normal for this time of year. Record breaking heat is likely. Widespread Moderate HeatRisk expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ PS Action: Continued Issued At: 2026-03-19 23:36:40 158 WWUS76 KSGX 200436 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 936 PM PDT Thu Mar 19 2026 CAZ061-062-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Palm Desert Country, Palm Desert, Palm Springs, La Quinta, Cathedral City, Borrego Springs, Coachella, and Indio 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Oceanside, Costa Mesa, Chula Vista, San Diego, Vista, Huntington Beach, National City, Carlsbad, and Encinitas 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, San Bernardino, Rancho Cucamonga, Riverside, Fontana, Corona, and Moreno Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Escondido, Garden Grove, El Cajon, Orange, San Marcos, Fullerton, Mission Viejo, Santa Ana, Santee, Poway, La Mesa, Irvine, and Anaheim 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Idyllwild-Pine Cove, Wrightwood, Lake Arrowhead, Crestline, Running Springs, Julian, and Pine Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ SS Action: Continued Issued At: 2026-03-19 23:36:40 158 WWUS76 KSGX 200436 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 936 PM PDT Thu Mar 19 2026 CAZ061-062-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Palm Desert Country, Palm Desert, Palm Springs, La Quinta, Cathedral City, Borrego Springs, Coachella, and Indio 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Oceanside, Costa Mesa, Chula Vista, San Diego, Vista, Huntington Beach, National City, Carlsbad, and Encinitas 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, San Bernardino, Rancho Cucamonga, Riverside, Fontana, Corona, and Moreno Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Escondido, Garden Grove, El Cajon, Orange, San Marcos, Fullerton, Mission Viejo, Santa Ana, Santee, Poway, La Mesa, Irvine, and Anaheim 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Idyllwild-Pine Cove, Wrightwood, Lake Arrowhead, Crestline, Running Springs, Julian, and Pine Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ SS Action: Continued Issued At: 2026-03-19 23:36:40 158 WWUS76 KSGX 200436 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 936 PM PDT Thu Mar 19 2026 CAZ061-062-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Palm Desert Country, Palm Desert, Palm Springs, La Quinta, Cathedral City, Borrego Springs, Coachella, and Indio 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Oceanside, Costa Mesa, Chula Vista, San Diego, Vista, Huntington Beach, National City, Carlsbad, and Encinitas 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, San Bernardino, Rancho Cucamonga, Riverside, Fontana, Corona, and Moreno Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Escondido, Garden Grove, El Cajon, Orange, San Marcos, Fullerton, Mission Viejo, Santa Ana, Santee, Poway, La Mesa, Irvine, and Anaheim 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Idyllwild-Pine Cove, Wrightwood, Lake Arrowhead, Crestline, Running Springs, Julian, and Pine Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ SS Action: Continued Issued At: 2026-03-19 23:36:40 158 WWUS76 KSGX 200436 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 936 PM PDT Thu Mar 19 2026 CAZ061-062-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Palm Desert Country, Palm Desert, Palm Springs, La Quinta, Cathedral City, Borrego Springs, Coachella, and Indio 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Oceanside, Costa Mesa, Chula Vista, San Diego, Vista, Huntington Beach, National City, Carlsbad, and Encinitas 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, San Bernardino, Rancho Cucamonga, Riverside, Fontana, Corona, and Moreno Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Escondido, Garden Grove, El Cajon, Orange, San Marcos, Fullerton, Mission Viejo, Santa Ana, Santee, Poway, La Mesa, Irvine, and Anaheim 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Idyllwild-Pine Cove, Wrightwood, Lake Arrowhead, Crestline, Running Springs, Julian, and Pine Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ SS Action: Continued Issued At: 2026-03-19 23:36:40 158 WWUS76 KSGX 200436 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 936 PM PDT Thu Mar 19 2026 CAZ061-062-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Palm Desert Country, Palm Desert, Palm Springs, La Quinta, Cathedral City, Borrego Springs, Coachella, and Indio 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-201330- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 936 PM PDT Thu Mar 19 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Oceanside, Costa Mesa, Chula Vista, San Diego, Vista, Huntington Beach, National City, Carlsbad, and Encinitas 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, San Bernardino, Rancho Cucamonga, Riverside, Fontana, Corona, and Moreno Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Escondido, Garden Grove, El Cajon, Orange, San Marcos, Fullerton, Mission Viejo, Santa Ana, Santee, Poway, La Mesa, Irvine, and Anaheim 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Idyllwild-Pine Cove, Wrightwood, Lake Arrowhead, Crestline, Running Springs, Julian, and Pine Valley 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-201330- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 936 PM PDT Thu Mar 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ SS Action: Continued Issued At: 2026-03-20 06:27:39 241 WWUS76 KSGX 201127 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 427 AM PDT Fri Mar 20 2026 CAZ061-062-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Indio, Borrego Springs, Palm Springs, La Quinta, Palm Desert, Coachella, Palm Desert Country, and Cathedral City 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Vista, San Diego, Carlsbad, Huntington Beach, Oceanside, Costa Mesa, National City, Encinitas, and Chula Vista 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, Fontana, Corona, San Bernardino, Rancho Cucamonga, Moreno Valley, and Ontario 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures in foothill locations will only fall into the lower to mid 70s limiting relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Poway, Santee, Irvine, Orange, San Marcos, Escondido, El Cajon, Garden Grove, Santa Ana, La Mesa, Fullerton, Anaheim, and Mission Viejo 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Lake Arrowhead, Idyllwild-Pine Cove, Wrightwood, Julian, Pine Valley, Running Springs, and Crestline 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows in the mid 60s to low 70s will limit overnight relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 12 Action: Continued Issued At: 2026-03-20 06:27:39 241 WWUS76 KSGX 201127 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 427 AM PDT Fri Mar 20 2026 CAZ061-062-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Indio, Borrego Springs, Palm Springs, La Quinta, Palm Desert, Coachella, Palm Desert Country, and Cathedral City 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Vista, San Diego, Carlsbad, Huntington Beach, Oceanside, Costa Mesa, National City, Encinitas, and Chula Vista 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, Fontana, Corona, San Bernardino, Rancho Cucamonga, Moreno Valley, and Ontario 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures in foothill locations will only fall into the lower to mid 70s limiting relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Poway, Santee, Irvine, Orange, San Marcos, Escondido, El Cajon, Garden Grove, Santa Ana, La Mesa, Fullerton, Anaheim, and Mission Viejo 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Lake Arrowhead, Idyllwild-Pine Cove, Wrightwood, Julian, Pine Valley, Running Springs, and Crestline 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows in the mid 60s to low 70s will limit overnight relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 12 Action: Continued Issued At: 2026-03-20 06:27:39 241 WWUS76 KSGX 201127 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 427 AM PDT Fri Mar 20 2026 CAZ061-062-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Indio, Borrego Springs, Palm Springs, La Quinta, Palm Desert, Coachella, Palm Desert Country, and Cathedral City 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Vista, San Diego, Carlsbad, Huntington Beach, Oceanside, Costa Mesa, National City, Encinitas, and Chula Vista 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, Fontana, Corona, San Bernardino, Rancho Cucamonga, Moreno Valley, and Ontario 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures in foothill locations will only fall into the lower to mid 70s limiting relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Poway, Santee, Irvine, Orange, San Marcos, Escondido, El Cajon, Garden Grove, Santa Ana, La Mesa, Fullerton, Anaheim, and Mission Viejo 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Lake Arrowhead, Idyllwild-Pine Cove, Wrightwood, Julian, Pine Valley, Running Springs, and Crestline 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows in the mid 60s to low 70s will limit overnight relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 12 Action: Continued Issued At: 2026-03-20 06:27:39 241 WWUS76 KSGX 201127 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 427 AM PDT Fri Mar 20 2026 CAZ061-062-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Indio, Borrego Springs, Palm Springs, La Quinta, Palm Desert, Coachella, Palm Desert Country, and Cathedral City 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Vista, San Diego, Carlsbad, Huntington Beach, Oceanside, Costa Mesa, National City, Encinitas, and Chula Vista 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, Fontana, Corona, San Bernardino, Rancho Cucamonga, Moreno Valley, and Ontario 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures in foothill locations will only fall into the lower to mid 70s limiting relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Poway, Santee, Irvine, Orange, San Marcos, Escondido, El Cajon, Garden Grove, Santa Ana, La Mesa, Fullerton, Anaheim, and Mission Viejo 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Lake Arrowhead, Idyllwild-Pine Cove, Wrightwood, Julian, Pine Valley, Running Springs, and Crestline 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows in the mid 60s to low 70s will limit overnight relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 12 Action: Continued Issued At: 2026-03-20 06:27:39 241 WWUS76 KSGX 201127 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 427 AM PDT Fri Mar 20 2026 CAZ061-062-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Indio, Borrego Springs, Palm Springs, La Quinta, Palm Desert, Coachella, Palm Desert Country, and Cathedral City 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-202115- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 427 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ043-552-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Vista, San Diego, Carlsbad, Huntington Beach, Oceanside, Costa Mesa, National City, Encinitas, and Chula Vista 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 90. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, Fontana, Corona, San Bernardino, Rancho Cucamonga, Moreno Valley, and Ontario 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 96 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures in foothill locations will only fall into the lower to mid 70s limiting relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Poway, Santee, Irvine, Orange, San Marcos, Escondido, El Cajon, Garden Grove, Santa Ana, La Mesa, Fullerton, Anaheim, and Mission Viejo 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Lake Arrowhead, Idyllwild-Pine Cove, Wrightwood, Julian, Pine Valley, Running Springs, and Crestline 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-202115- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 427 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight lows in the mid 60s to low 70s will limit overnight relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 12 Action: Continued Issued At: 2026-03-20 13:21:51 053 WWUS76 KSGX 201821 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1121 AM PDT Fri Mar 20 2026 CAZ061-062-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Cathedral City, Palm Springs, Palm Desert, Borrego Springs, La Quinta, Palm Desert Country, Indio, and Coachella 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104 degrees. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-552-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Carlsbad, Chula Vista, National City, Costa Mesa, Vista, Oceanside, Encinitas, Huntington Beach, and San Diego 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 90 degrees. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Fontana, Corona, Moreno Valley, Ontario, San Bernardino, Riverside, and Rancho Cucamonga 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 95 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Santee, Poway, Orange, Santa Ana, Garden Grove, San Marcos, El Cajon, Escondido, La Mesa, Fullerton, Irvine, Mission Viejo, and Anaheim 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Lake Arrowhead, Julian, Idyllwild-Pine Cove, Pine Valley, Crestline, and Running Springs 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CO Action: Continued Issued At: 2026-03-20 13:21:51 053 WWUS76 KSGX 201821 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1121 AM PDT Fri Mar 20 2026 CAZ061-062-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Cathedral City, Palm Springs, Palm Desert, Borrego Springs, La Quinta, Palm Desert Country, Indio, and Coachella 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104 degrees. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-552-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Carlsbad, Chula Vista, National City, Costa Mesa, Vista, Oceanside, Encinitas, Huntington Beach, and San Diego 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 90 degrees. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Fontana, Corona, Moreno Valley, Ontario, San Bernardino, Riverside, and Rancho Cucamonga 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 95 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Santee, Poway, Orange, Santa Ana, Garden Grove, San Marcos, El Cajon, Escondido, La Mesa, Fullerton, Irvine, Mission Viejo, and Anaheim 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Lake Arrowhead, Julian, Idyllwild-Pine Cove, Pine Valley, Crestline, and Running Springs 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CO Action: Continued Issued At: 2026-03-20 13:21:51 053 WWUS76 KSGX 201821 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1121 AM PDT Fri Mar 20 2026 CAZ061-062-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Cathedral City, Palm Springs, Palm Desert, Borrego Springs, La Quinta, Palm Desert Country, Indio, and Coachella 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104 degrees. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-552-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Carlsbad, Chula Vista, National City, Costa Mesa, Vista, Oceanside, Encinitas, Huntington Beach, and San Diego 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 90 degrees. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Fontana, Corona, Moreno Valley, Ontario, San Bernardino, Riverside, and Rancho Cucamonga 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 95 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Santee, Poway, Orange, Santa Ana, Garden Grove, San Marcos, El Cajon, Escondido, La Mesa, Fullerton, Irvine, Mission Viejo, and Anaheim 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Lake Arrowhead, Julian, Idyllwild-Pine Cove, Pine Valley, Crestline, and Running Springs 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CO Action: Continued Issued At: 2026-03-20 13:21:51 053 WWUS76 KSGX 201821 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1121 AM PDT Fri Mar 20 2026 CAZ061-062-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Cathedral City, Palm Springs, Palm Desert, Borrego Springs, La Quinta, Palm Desert Country, Indio, and Coachella 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104 degrees. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-552-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Carlsbad, Chula Vista, National City, Costa Mesa, Vista, Oceanside, Encinitas, Huntington Beach, and San Diego 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 90 degrees. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Fontana, Corona, Moreno Valley, Ontario, San Bernardino, Riverside, and Rancho Cucamonga 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 95 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Santee, Poway, Orange, Santa Ana, Garden Grove, San Marcos, El Cajon, Escondido, La Mesa, Fullerton, Irvine, Mission Viejo, and Anaheim 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Lake Arrowhead, Julian, Idyllwild-Pine Cove, Pine Valley, Crestline, and Running Springs 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CO Action: Continued Issued At: 2026-03-20 13:21:51 053 WWUS76 KSGX 201821 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1121 AM PDT Fri Mar 20 2026 CAZ061-062-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of Cathedral City, Palm Springs, Palm Desert, Borrego Springs, La Quinta, Palm Desert Country, Indio, and Coachella 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 101 to 108 degrees. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-210300- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 1121 AM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 97 to 104 degrees. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s and lower 80s reducing relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ043-552-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Carlsbad, Chula Vista, National City, Costa Mesa, Vista, Oceanside, Encinitas, Huntington Beach, and San Diego 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 90 degrees. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ048-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Fontana, Corona, Moreno Valley, Ontario, San Bernardino, Riverside, and Rancho Cucamonga 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 95 to 102. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ050-554-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Valleys-Orange County Inland Areas- Including the cities of Santee, Poway, Orange, Santa Ana, Garden Grove, San Marcos, El Cajon, Escondido, La Mesa, Fullerton, Irvine, Mission Viejo, and Anaheim 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 90 to 97. * WHERE...Orange County Inland Areas and San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ055-056-058-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains- Including the cities of Wrightwood, Lake Arrowhead, Julian, Idyllwild-Pine Cove, Pine Valley, Crestline, and Running Springs 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 82 to 95 degrees below 6500 ft. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ057-210300- /O.CON.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ Santa Ana Mountains and Foothills- 1121 AM PDT Fri Mar 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures 80 to 92. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CO Action: Expired Issued At: 2026-03-20 21:51:38 166 WWUS76 KSGX 210251 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 751 PM PDT Fri Mar 20 2026 CAZ043-048-050-055>058-552-554-210400- /O.EXP.KSGX.HT.Y.0002.000000T0000Z-260321T0300Z/ San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-San Bernardino County Mountains-Riverside County Mountains-Santa Ana Mountains and Foothills-San Diego County Mountains-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Vista, La Mesa, Carlsbad, Encinitas, Riverside, Crestline, Running Springs, Corona, Chula Vista, Idyllwild-Pine Cove, Fontana, National City, Costa Mesa, Oceanside, Escondido, El Cajon, San Marcos, Poway, Santee, Ontario, Fullerton, Julian, San Diego, Huntington Beach, Mission Viejo, Orange, Anaheim, San Bernardino, Santa Ana, Lake Arrowhead, Rancho Cucamonga, Garden Grove, Irvine, Moreno Valley, Pine Valley, and Wrightwood 751 PM PDT Fri Mar 20 2026 ...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... A cooling trend will take place over the weekend. The Heat Advisory for the coastal areas, valleys, and mountains will be allowed to expire at 8 PM this evening. $$ CAZ061-062-211315- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ Coachella Valley-San Diego County Deserts- Including the cities of La Quinta, Indio, Palm Desert, Cathedral City, Coachella, Palm Desert Country, Borrego Springs, and Palm Springs 751 PM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 102 to 107. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CAZ065-211315- /O.CON.KSGX.XH.W.0001.000000T0000Z-260322T0300Z/ San Gorgonio Pass near Banning- 751 PM PDT Fri Mar 20 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 91 to 100. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ SS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||