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Home Return to list Heat Advisory 0007 Issued by the San Diego Forecast Office
Action: Time Extended Issued At: 2026-08-02 14:16:51 543 WWUS76 KSGX 021916 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1216 PM PDT Sun Aug 2 2026 CAZ048-030530- /O.EXT.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Moreno Valley, Rancho Cucamonga, Corona, Ontario, San Bernardino, Riverside, and Fontana 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Monday. * 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. && $$ CAZ056-030530- /O.EXT.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ Riverside County Mountains- Including the cities of Idyllwild-Pine Cove 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to near 100 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ058-030530- /O.EXT.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Diego County Mountains- Including the cities of Julian and Pine Valley 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to near 100 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Monday. * 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. && $$ CAZ050-030300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/ San Diego County Valleys- Including the cities of El Cajon, Escondido, Santee, San Marcos, Poway, and La Mesa 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the 90s for the western valleys to near 100 in the foothills expected. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ057-030300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/ Santa Ana Mountains and Foothills- 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the 90s expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this 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. && $$ CAZ060-030300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, Lucerne Valley, and Apple Valley 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Temperatures will range from 102 to 108 for Lucerne Valley westward, and 108 to 110 near Johnson Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ061-062-065-030530- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Borrego Springs, Palm Desert, Palm Desert Country, Indio, Coachella, Cathedral City, Palm Springs, and La Quinta 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures of up to 115 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * 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. && $$ CAZ554-030300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/ Orange County Inland Areas- Including the cities of Anaheim, Santa Ana, Mission Viejo, Irvine, Fullerton, Orange, and Garden Grove 1216 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the low to mid 90s east of Interstate 5 expected. * WHERE...Orange County Inland Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ055-030530- /O.EXT.KSGX.HT.Y.0007.000000T0000Z-260804T0300Z/ San Bernardino County Mountains- Including the cities of Crestline, Big Bear Lake, Lake Arrowhead, Running Springs, Big Bear City, and Wrightwood 1216 PM PDT Sun Aug 2 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...High temperatures in the upper 80s and 90s; around 100 below 6000 feet expected. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT Monday. * 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. && $$ CAZ043-030300- /O.CON.KSGX.HT.Y.0007.000000T0000Z-260803T0300Z/ San Diego County Coastal Areas- Including the cities of Chula Vista, Carlsbad, Vista, National City, Oceanside, Encinitas, and San Diego 1216 PM PDT Sun Aug 2 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures in the mid to upper 80s for the mesas and other higher coastal terrain expected. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ552-030300- /O.CON.KSGX.HT.Y.0007.000000T0000Z-260803T0300Z/ Orange County Coastal Areas- Including the cities of Costa Mesa and Huntington Beach 1216 PM PDT Sun Aug 2 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures in the low to mid 80s. * WHERE...Orange 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. && $$ APR Action: Continued Issued At: 2026-08-02 22:22:05 964 WWUS76 KSGX 030321 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 821 PM PDT Sun Aug 2 2026 CAZ050-057-060-554-030430- /O.EXP.KSGX.XH.W.0007.000000T0000Z-260803T0300Z/ San Diego County Valleys-Santa Ana Mountains and Foothills-Apple and Lucerne Valleys-Orange County Inland Areas- Including the cities of Apple Valley, Orange, Fullerton, Garden Grove, Poway, Escondido, Santee, Santa Ana, El Cajon, Mission Viejo, Victorville, Anaheim, Hesperia, Lucerne Valley, San Marcos, La Mesa, and Irvine 821 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING HAS EXPIRED... The heatRisk has lowered but temperatures are likely to remain above normal. $$ CAZ043-552-030430- /O.EXP.KSGX.HT.Y.0007.000000T0000Z-260803T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Oceanside, Carlsbad, Vista, San Diego, Chula Vista, Huntington Beach, National City, Encinitas, and Costa Mesa 821 PM PDT Sun Aug 2 2026 ...HEAT ADVISORY HAS EXPIRED... The heatRisk has lowered but temperatures are likely to remain above normal. $$ CAZ048-031130- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, Moreno Valley, Ontario, Fontana, Corona, Rancho Cucamonga, and San Bernardino 821 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 103 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ056-031130- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ Riverside County Mountains- Including the cities of Idyllwild-Pine Cove 821 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to near 100 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT Monday. * 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. && $$ CAZ058-031130- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Diego County Mountains- Including the cities of Pine Valley and Julian 821 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to near 100 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ061-062-065-031130- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Borrego Springs, Cathedral City, Coachella, Palm Springs, La Quinta, Indio, Palm Desert Country, and Palm Desert 821 PM PDT Sun Aug 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures of up to 115 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * 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. && $$ CAZ055-031130- /O.CON.KSGX.HT.Y.0007.000000T0000Z-260804T0300Z/ San Bernardino County Mountains- Including the cities of Big Bear City, Wrightwood, Crestline, Lake Arrowhead, Big Bear Lake, and Running Springs 821 PM PDT Sun Aug 2 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...High temperatures in the upper 80s and 90s; around 100 below 6000 feet expected. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ 12 Action: Continued Issued At: 2026-08-03 03:24:40 261 WWUS76 KSGX 030824 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 124 AM PDT Mon Aug 3 2026 CAZ060-032230- /O.EXB.KSGX.XH.W.0007.260803T1700Z-260806T0300Z/ Apple and Lucerne Valleys- Including the cities of Lucerne Valley, Hesperia, Victorville, and Apple Valley 124 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT WEDNESDAY... * WHAT...Dangerously hot conditions with high temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM this morning to 8 PM PDT Wednesday. * 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. && $$ CAZ061-062-065-032230- /O.EXT.KSGX.XH.W.0007.000000T0000Z-260805T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Indio, Cathedral City, La Quinta, Coachella, Palm Desert Country, Borrego Springs, Palm Desert, and Palm Springs 124 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with high temperatures of 112 to 116 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ048-032230- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Corona, Moreno Valley, San Bernardino, Fontana, Rancho Cucamonga, Riverside, and Ontario 124 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this 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. && $$ CAZ056-032230- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ Riverside County Mountains- Including the cities of Idyllwild-Pine Cove 124 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the 90s to near 100 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ058-032230- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Diego County Mountains- Including the cities of Julian and Pine Valley 124 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the 90s to near 100 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT this 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. && $$ CAZ055-032230- /O.CON.KSGX.HT.Y.0007.000000T0000Z-260804T0300Z/ San Bernardino County Mountains- Including the cities of Big Bear City, Wrightwood, Crestline, Big Bear Lake, Running Springs, and Lake Arrowhead 124 AM PDT Mon Aug 3 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures in the 90s below 6000 feet expected. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ 17 Action: Continued Issued At: 2026-08-03 13:46:20 280 WWUS76 KSGX 031845 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1145 AM PDT Mon Aug 3 2026 CAZ048-040300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Riverside, San Bernardino, Moreno Valley, Rancho Cucamonga, Corona, Fontana, and Ontario 1145 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this 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. && $$ CAZ056-040300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ Riverside County Mountains- Including the cities of Idyllwild-Pine Cove 1145 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the 90s to near 100 below 7000 feet expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ058-040300- /O.CON.KSGX.XH.W.0007.000000T0000Z-260804T0300Z/ San Diego County Mountains- Including the cities of Julian and Pine Valley 1145 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with high temperatures in the 90s to near 100 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT this 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. && $$ CAZ060-040515- /O.CON.KSGX.XH.W.0007.000000T0000Z-260806T0300Z/ Apple and Lucerne Valleys- Including the cities of Lucerne Valley, Apple Valley, Victorville, and Hesperia 1145 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... * WHAT...Dangerously hot conditions with high temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ061-062-065-040515- /O.CON.KSGX.XH.W.0007.000000T0000Z-260805T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Indio, La Quinta, Palm Desert Country, Palm Desert, Coachella, Cathedral City, Borrego Springs, and Palm Springs 1145 AM PDT Mon Aug 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with high temperatures of 110 to 116 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Tuesday. * 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. && $$ CAZ055-040300- /O.CON.KSGX.HT.Y.0007.000000T0000Z-260804T0300Z/ San Bernardino County Mountains- Including the cities of Lake Arrowhead, Big Bear City, Running Springs, Crestline, Big Bear Lake, and Wrightwood 1145 AM PDT Mon Aug 3 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...High temperatures in the 90s below 6000 feet expected, 80s elsewhere. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ APR | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||