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Home Return to list Heat Advisory 0004 Issued by the Los Angeles / Oxnard Forecast Office
Action: New Issued At: 2026-03-15 13:56:22 095 WWUS76 KLOX 151855 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1155 AM PDT Sun Mar 15 2026 CAZ087-340-341-346>350-354-355-362-366-367-161300- /O.CAN.KLOX.XH.A.0001.260317T0300Z-260321T0300Z/ /O.EXT.KLOX.HT.Y.0003.260316T1700Z-260322T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast- Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills- Including the cities of Refugio State Beach, Santa Barbara, Point Mugu, Rancho Palos Verdes, Lompoc, Santa Ynez, Redondo Beach, Santa Monica, Cambria, Malibu, Gaviota, Pismo Beach, Jalama Beach, Oxnard, East Ventura, Morro Bay, El Capitan State Beach, Vandenberg Space Force Base, Port Hueneme, Montecito, Pacific Palisades, Ventura, Los Olivos, Nipomo, Lake Cachuma, Santa Maria, Buellton, Long Beach, San Luis Obispo, Arroyo Grande, Solvang, Camarillo, Carpinteria, Torrance, Lopez Lake, Avalon, LAX, Goleta, and Avila Beach 1155 AM PDT Sun Mar 15 2026 ...HEAT ADVISORY NOW IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT SATURDAY... ...EXTREME HEAT WATCH IS CANCELLED... * WHAT...Temperatures between 85 and 95 expected. * WHERE...A portion of southwest California. * WHEN...From 10 AM Monday to 8 PM PDT Saturday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. 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. && $$ CAZ088-342-345-351>353-356>358-368>376-378>380-548-161300- /O.UPG.KLOX.XH.A.0001.260317T0300Z-260321T0300Z/ /O.NEW.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/ /O.EXT.KLOX.HT.Y.0003.260316T1700Z-260317T1700Z/ Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles County Inland Coast including Downtown Los Angeles-Western Santa Monica Mountains Recreational Area-Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-Southern Ventura County Mountains- Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of La Panza Range, Oat Mountain, Pyramid Lake, Mill Creek, Burbank, Warm Springs, Universal City, Malibu Lake, San Marcos Pass, El Monte, Big Pine Mountain, Hollywood, Moorpark, Santa Paula, Acton, Irish Hills, Compton, Topatopa Mountains, Van Nuys, Malibu Bowl, Westlake Village, Glendale, Mount Wilson, Mount Baldy, Wrightwood, Pasadena, Northridge, Newhall, Sunland, Matilija, Piru, Ojai, Valencia, The Angeles Crest Highway, Norwalk, Santa Clarita, Santa Margarita Lake, Meiners Oaks, Chatsworth, Montecito Hills, Thousand Oaks, Tejon Pass, Fillmore, Beverly Hills, Downey, Lake Castaic, Woodland Hills, Gorman, Oak View, Caliente Range, Culver City, Simi Valley, Figueroa Mountain, Rose Valley, San Gabriel, Pomona, La Canada Flintridge, Hearst Castle, San Rafael Mountain, Newbury Park, East Los Angeles, and Topanga 1155 AM PDT Sun Mar 15 2026 ...HEAT ADVISORY NOW IN EFFECT FROM 10 AM MONDAY TO 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures between 90 and 98 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures between 96 and 104 expected. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, from 10 AM Monday to 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. 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. && $$ CAZ549-550-161300- /O.UPG.KLOX.XH.A.0001.260317T0300Z-260321T0300Z/ /O.NEW.KLOX.HT.Y.0004.260317T1700Z-260322T0300Z/ San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Smugglers Cove and Cuyler Harbor 1155 AM PDT Sun Mar 15 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT SATURDAY... * WHAT...Temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...From 10 AM Tuesday to 8 PM PDT Saturday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. 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. && $$ Visit us at http://www.weather.gov/LosAngeles RAT Action: Time Extended Issued At: 2026-03-15 16:10:56 362 WWUS76 KLOX 152110 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 210 PM PDT Sun Mar 15 2026 CAZ088-342-345-351>353-356>358-368>376-378>380-548-161300- /O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/ /O.CON.KLOX.HT.Y.0003.260316T1700Z-260317T1700Z/ Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles County Inland Coast including Downtown Los Angeles-Western Santa Monica Mountains Recreational Area-Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-Southern Ventura County Mountains- Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Mount Baldy, Van Nuys, Wrightwood, Newbury Park, San Rafael Mountain, East Los Angeles, El Monte, Thousand Oaks, San Marcos Pass, Tejon Pass, Irish Hills, La Panza Range, Pyramid Lake, Chatsworth, Universal City, Hollywood, Woodland Hills, Mount Wilson, Hearst Castle, Acton, Downey, Pomona, Santa Margarita Lake, Malibu Bowl, Westlake Village, Malibu Lake, Montecito Hills, Caliente Range, Fillmore, Norwalk, Mill Creek, San Gabriel, Oak View, Glendale, Piru, Burbank, Lake Castaic, Ojai, Topatopa Mountains, Sunland, Pasadena, Big Pine Mountain, Newhall, Compton, Northridge, Simi Valley, Valencia, Meiners Oaks, Warm Springs, Matilija, The Angeles Crest Highway, Moorpark, Beverly Hills, Oat Mountain, Gorman, Culver City, La Canada Flintridge, Topanga, Santa Paula, Rose Valley, Figueroa Mountain, and Santa Clarita 210 PM PDT Sun Mar 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures between 90 and 98 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures between 96 and 104 expected. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, from 10 AM Monday to 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ087-340-341-346>350-354-355-362-366-367-161300- /O.EXT.KLOX.HT.Y.0003.260316T1700Z-260321T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast- Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills- Including the cities of Torrance, Carpinteria, Gaviota, Redondo Beach, LAX, Morro Bay, El Capitan State Beach, Pismo Beach, Lompoc, Solvang, San Luis Obispo, Refugio State Beach, Santa Ynez, Nipomo, Lake Cachuma, Oxnard, Los Olivos, Santa Maria, Camarillo, Point Mugu, Buellton, Avila Beach, Pacific Palisades, Santa Barbara, Goleta, Port Hueneme, East Ventura, Lopez Lake, Arroyo Grande, Long Beach, Cambria, Rancho Palos Verdes, Montecito, Vandenberg Space Force Base, Ventura, Avalon, Malibu, Santa Monica, and Jalama Beach 210 PM PDT Sun Mar 15 2026 ...HEAT ADVISORY NOW IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 85 and 95 expected. * WHERE...A portion of southwest California. * WHEN...From 10 AM Monday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ549-550-161300- /O.EXT.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Cuyler Harbor and Smugglers Cove 210 PM PDT Sun Mar 15 2026 ...HEAT ADVISORY NOW IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ Visit us at http://www.weather.gov/LosAngeles RAT Action: Continued Issued At: 2026-03-16 07:07:39 302 WWUS76 KLOX 161207 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 507 AM PDT Mon Mar 16 2026 CAZ088-342-345-351>353-356>358-368>376-378>380-548-170015- /O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/ /O.CON.KLOX.HT.Y.0003.260316T1700Z-260317T1700Z/ Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles County Inland Coast including Downtown Los Angeles-Western Santa Monica Mountains Recreational Area-Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-Southern Ventura County Mountains- Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Hearst Castle, Santa Margarita Lake, Northridge, Santa Paula, Mount Baldy, Gorman, Ojai, Woodland Hills, Universal City, Matilija, Pomona, Culver City, Malibu Bowl, Mill Creek, Valencia, Oat Mountain, Acton, Santa Clarita, Pasadena, San Marcos Pass, Moorpark, Figueroa Mountain, East Los Angeles, Compton, Lake Castaic, Van Nuys, Newbury Park, La Canada Flintridge, Topanga, Norwalk, Meiners Oaks, Caliente Range, Tejon Pass, Thousand Oaks, Pyramid Lake, Warm Springs, Oak View, Wrightwood, Glendale, Piru, Irish Hills, Chatsworth, Sunland, Fillmore, Hollywood, The Angeles Crest Highway, San Gabriel, Montecito Hills, Simi Valley, Big Pine Mountain, Rose Valley, Topatopa Mountains, San Rafael Mountain, Downey, Mount Wilson, La Panza Range, Burbank, El Monte, Newhall, Malibu Lake, Beverly Hills, and Westlake Village 507 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures between 90 and 98 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures between 96 and 104 expected. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ087-340-341-346>350-354-355-362-366-367-170015- /O.CON.KLOX.HT.Y.0003.260316T1700Z-260321T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast- Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills- Including the cities of Lompoc, Rancho Palos Verdes, Los Olivos, Goleta, El Capitan State Beach, Pacific Palisades, Lake Cachuma, Torrance, Santa Barbara, Port Hueneme, Pismo Beach, East Ventura, Avila Beach, Point Mugu, Santa Ynez, Long Beach, Santa Maria, Cambria, Camarillo, Solvang, Oxnard, Avalon, San Luis Obispo, Morro Bay, Redondo Beach, Jalama Beach, Carpinteria, Ventura, Malibu, Santa Monica, Gaviota, Nipomo, Lopez Lake, Arroyo Grande, Vandenberg Space Force Base, Refugio State Beach, Montecito, Buellton, and LAX 507 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 85 and 95 expected. * WHERE...A portion of southwest California. * WHEN...From 10 AM this morning to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ549-550-170015- /O.CON.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Cuyler Harbor and Smugglers Cove 507 AM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ Visit us at http://www.weather.gov/LosAngeles RAT/KL Action: Continued Issued At: 2026-03-16 18:47:56 014 WWUS76 KLOX 162347 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 447 PM PDT Mon Mar 16 2026 CAZ088-342-345-351>353-356>358-368>376-378>380-548-171630- /O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/ /O.CON.KLOX.HT.Y.0003.000000T0000Z-260317T1700Z/ Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles County Inland Coast including Downtown Los Angeles-Western Santa Monica Mountains Recreational Area-Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-Southern Ventura County Mountains- Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Glendale, East Los Angeles, Wrightwood, Piru, Rose Valley, Matilija, Caliente Range, San Marcos Pass, Culver City, El Monte, Pyramid Lake, Warm Springs, La Canada Flintridge, Malibu Lake, Moorpark, Westlake Village, Burbank, Mount Baldy, Universal City, Figueroa Mountain, Oat Mountain, Lake Castaic, Newbury Park, Compton, Santa Clarita, Ojai, Pasadena, Van Nuys, Mount Wilson, Topatopa Mountains, Thousand Oaks, Norwalk, Simi Valley, San Gabriel, Beverly Hills, Pomona, Santa Margarita Lake, Tejon Pass, Mill Creek, Woodland Hills, The Angeles Crest Highway, Newhall, Gorman, Meiners Oaks, Irish Hills, San Rafael Mountain, Valencia, Northridge, Chatsworth, Big Pine Mountain, Montecito Hills, Topanga, Hollywood, Hearst Castle, Malibu Bowl, Oak View, Fillmore, Santa Paula, Sunland, Downey, La Panza Range, and Acton 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures between 90 and 98 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures between 96 and 104 expected. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ038-343-344-171630- /O.EXA.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ Cuyama Valley-Southern Salinas Valley-San Luis Obispo County Interior Valleys- Including the cities of Atascadero, Templeton, Carrizo Plain, Paso Robles, Creston, Shandon, New Cuyama, San Miguel, and Lake Nacimiento 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 90 and 98 expected. * WHERE...Cuyama Valley, San Luis Obispo County Interior Valleys, and Southern Salinas Valley. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. 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. && $$ CAZ087-340-341-346>350-354-355-362-366-367-171630- /O.CON.KLOX.HT.Y.0003.000000T0000Z-260321T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast- Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills- Including the cities of Solvang, Point Mugu, Port Hueneme, Arroyo Grande, Santa Maria, Pacific Palisades, Torrance, Santa Barbara, East Ventura, Los Olivos, Rancho Palos Verdes, San Luis Obispo, Long Beach, Oxnard, Morro Bay, Santa Ynez, Avila Beach, LAX, Avalon, Camarillo, Santa Monica, Cambria, Carpinteria, Malibu, Jalama Beach, Lake Cachuma, El Capitan State Beach, Vandenberg Space Force Base, Redondo Beach, Pismo Beach, Lompoc, Montecito, Lopez Lake, Buellton, Refugio State Beach, Goleta, Ventura, Gaviota, and Nipomo 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures between 85 and 95 expected. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ549-550-171630- /O.CON.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Smugglers Cove and Cuyler Harbor 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ Visit us at http://www.weather.gov/LosAngeles NWS Los Angeles/Oxnard Action: Area Extended Issued At: 2026-03-16 18:47:56 014 WWUS76 KLOX 162347 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 447 PM PDT Mon Mar 16 2026 CAZ088-342-345-351>353-356>358-368>376-378>380-548-171630- /O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/ /O.CON.KLOX.HT.Y.0003.000000T0000Z-260317T1700Z/ Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles County Inland Coast including Downtown Los Angeles-Western Santa Monica Mountains Recreational Area-Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-Southern Ventura County Mountains- Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Glendale, East Los Angeles, Wrightwood, Piru, Rose Valley, Matilija, Caliente Range, San Marcos Pass, Culver City, El Monte, Pyramid Lake, Warm Springs, La Canada Flintridge, Malibu Lake, Moorpark, Westlake Village, Burbank, Mount Baldy, Universal City, Figueroa Mountain, Oat Mountain, Lake Castaic, Newbury Park, Compton, Santa Clarita, Ojai, Pasadena, Van Nuys, Mount Wilson, Topatopa Mountains, Thousand Oaks, Norwalk, Simi Valley, San Gabriel, Beverly Hills, Pomona, Santa Margarita Lake, Tejon Pass, Mill Creek, Woodland Hills, The Angeles Crest Highway, Newhall, Gorman, Meiners Oaks, Irish Hills, San Rafael Mountain, Valencia, Northridge, Chatsworth, Big Pine Mountain, Montecito Hills, Topanga, Hollywood, Hearst Castle, Malibu Bowl, Oak View, Fillmore, Santa Paula, Sunland, Downey, La Panza Range, and Acton 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...For the Heat Advisory, temperatures between 90 and 98 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures between 96 and 104 expected. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ038-343-344-171630- /O.EXA.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ Cuyama Valley-Southern Salinas Valley-San Luis Obispo County Interior Valleys- Including the cities of Atascadero, Templeton, Carrizo Plain, Paso Robles, Creston, Shandon, New Cuyama, San Miguel, and Lake Nacimiento 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 90 and 98 expected. * WHERE...Cuyama Valley, San Luis Obispo County Interior Valleys, and Southern Salinas Valley. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. 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. && $$ CAZ087-340-341-346>350-354-355-362-366-367-171630- /O.CON.KLOX.HT.Y.0003.000000T0000Z-260321T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast- Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills- Including the cities of Solvang, Point Mugu, Port Hueneme, Arroyo Grande, Santa Maria, Pacific Palisades, Torrance, Santa Barbara, East Ventura, Los Olivos, Rancho Palos Verdes, San Luis Obispo, Long Beach, Oxnard, Morro Bay, Santa Ynez, Avila Beach, LAX, Avalon, Camarillo, Santa Monica, Cambria, Carpinteria, Malibu, Jalama Beach, Lake Cachuma, El Capitan State Beach, Vandenberg Space Force Base, Redondo Beach, Pismo Beach, Lompoc, Montecito, Lopez Lake, Buellton, Refugio State Beach, Goleta, Ventura, Gaviota, and Nipomo 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures between 85 and 95 expected. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ549-550-171630- /O.CON.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Smugglers Cove and Cuyler Harbor 447 PM PDT Mon Mar 16 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ Visit us at http://www.weather.gov/LosAngeles NWS Los Angeles/Oxnard Action: Continued Issued At: 2026-03-17 11:12:48 070 WWUS76 KLOX 171612 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 912 AM PDT Tue Mar 17 2026 CAZ088-342-345-351>353-356>358-368>376-378>380-548-210300- /O.CON.KLOX.XH.W.0001.260317T1700Z-260321T0300Z/ /O.CON.KLOX.HT.Y.0003.000000T0000Z-260317T1700Z/ Santa Clarita Valley-Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Los Angeles County Inland Coast including Downtown Los Angeles-Western Santa Monica Mountains Recreational Area-Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Western San Fernando Valley-Eastern San Fernando Valley-Southeastern Ventura County Valleys-Santa Susana Mountains-Southern Ventura County Mountains- Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Santa Clarita, Piru, Santa Margarita Lake, Compton, Burbank, Pomona, Norwalk, Matilija, Valencia, San Rafael Mountain, Mill Creek, East Los Angeles, El Monte, Montecito Hills, Newhall, Moorpark, Acton, Hearst Castle, Pyramid Lake, Lake Castaic, Hollywood, Meiners Oaks, Westlake Village, Van Nuys, Sunland, Mount Wilson, Wrightwood, Chatsworth, Downey, Caliente Range, Topanga, Ojai, Figueroa Mountain, Northridge, La Canada Flintridge, Oat Mountain, Big Pine Mountain, Warm Springs, Glendale, Universal City, Newbury Park, The Angeles Crest Highway, Mount Baldy, Irish Hills, Tejon Pass, Fillmore, Thousand Oaks, Oak View, Malibu Bowl, San Gabriel, Topatopa Mountains, Beverly Hills, Simi Valley, Santa Paula, La Panza Range, Woodland Hills, San Marcos Pass, Culver City, Pasadena, Gorman, Malibu Lake, and Rose Valley 912 AM PDT Tue Mar 17 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures between 96 and 104 expected. * WHERE...A portion of southwest California. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ087-340-341-346>350-354-355-362-366-367-210300- /O.CON.KLOX.HT.Y.0003.000000T0000Z-260321T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Beaches- San Luis Obispo County Inland Central Coast-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast- Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills- Including the cities of Malibu, Pacific Palisades, Cambria, Montecito, Long Beach, Avalon, Ventura, Pismo Beach, Rancho Palos Verdes, Redondo Beach, Goleta, Buellton, Santa Monica, Jalama Beach, Vandenberg Space Force Base, Los Olivos, Torrance, Camarillo, Lompoc, Morro Bay, Oxnard, Nipomo, Carpinteria, Santa Barbara, Refugio State Beach, Santa Maria, Lopez Lake, Arroyo Grande, Port Hueneme, El Capitan State Beach, LAX, Solvang, Lake Cachuma, Point Mugu, San Luis Obispo, Avila Beach, East Ventura, Santa Ynez, and Gaviota 912 AM PDT Tue Mar 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures between 85 and 95 expected. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. 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. && $$ CAZ549-550-210300- /O.CON.KLOX.HT.Y.0004.260317T1700Z-260321T0300Z/ San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Smugglers Cove and Cuyler Harbor 912 AM PDT Tue Mar 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the mountain and foothill locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ Visit us at http://www.weather.gov/LosAngeles MW | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||