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Home Return to list Heat Advisory 0012 Issued by the Los Angeles / Oxnard Forecast Office
Action: Time Extended Issued At: 2026-08-05 13:17:24 238 WWUS76 KLOX 051817 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1117 AM PDT Wed Aug 5 2026 CAZ038-060630- /O.EXT.KLOX.XH.W.0005.000000T0000Z-260810T0300Z/ Cuyama Valley- Including the cities of New Cuyama 1117 AM PDT Wed Aug 5 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...The Cuyama Valley. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ377-060630- /O.EXT.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Northern Ventura County Mountains- Including the cities of Mount Pinos, Ozena, and Lockwood Valley 1117 AM PDT Wed Aug 5 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ381>383-060630- /O.EXT.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Lake Palmdale, Elizabeth Lake, Lake Los Angeles, Pearblossom, Llano, Palmdale, Valyermo, and Lancaster 1117 AM PDT Wed Aug 5 2026 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ344-345-353-375-376-378>380-060630- /O.EXT.KLOX.HT.Y.0012.000000T0000Z-260810T0300Z/ San Luis Obispo County Interior Valleys-San Luis Obispo County Mountains-Santa Barbara County Interior Mountains-Santa Susana Mountains-Southern Ventura County Mountains-Interstate 5 Corridor- Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains- Including the cities of Rose Valley, Wrightwood, San Rafael Mountain, Figueroa Mountain, Mount Baldy, Oat Mountain, Santa Margarita Lake, Matilija, Tejon Pass, Carrizo Plain, Topatopa Mountains, Mill Creek, Big Pine Mountain, La Panza Range, Pyramid Lake, The Angeles Crest Highway, Acton, Mount Wilson, Caliente Range, Gorman, Warm Springs, Creston, and Shandon 1117 AM PDT Wed Aug 5 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Very warm temperatures of 90 to 105 degrees expected. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Santa Susana Mountains, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ Cohen Action: Continued Issued At: 2026-08-05 16:13:56 017 WWUS76 KLOX 052113 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 213 PM PDT Wed Aug 5 2026 CAZ038-100300- /O.CON.KLOX.XH.W.0005.000000T0000Z-260810T0300Z/ Cuyama Valley- Including the cities of New Cuyama 213 PM PDT Wed Aug 5 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...The Cuyama Valley. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ377-100300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Northern Ventura County Mountains- Including the cities of Mount Pinos, Ozena, and Lockwood Valley 213 PM PDT Wed Aug 5 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ381>383-100300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Lake Palmdale, Elizabeth Lake, Lake Los Angeles, Pearblossom, Llano, Palmdale, Valyermo, and Lancaster 213 PM PDT Wed Aug 5 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ344-345-353-375-376-378>380-100300- /O.CON.KLOX.HT.Y.0012.000000T0000Z-260810T0300Z/ San Luis Obispo County Interior Valleys-San Luis Obispo County Mountains-Santa Barbara County Interior Mountains-Santa Susana Mountains-Southern Ventura County Mountains-Interstate 5 Corridor- Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains- Including the cities of Rose Valley, Wrightwood, San Rafael Mountain, Figueroa Mountain, Mount Baldy, Oat Mountain, Santa Margarita Lake, Matilija, Tejon Pass, Carrizo Plain, Topatopa Mountains, Mill Creek, Big Pine Mountain, La Panza Range, Pyramid Lake, The Angeles Crest Highway, Acton, Mount Wilson, Caliente Range, Gorman, Warm Springs, Creston, and Shandon 213 PM PDT Wed Aug 5 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Very warm temperatures of 90 to 105 degrees expected. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Santa Susana Mountains, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 8 PM PDT Sunday. * 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ Cohen Action: Time and Area Extended Issued At: 2026-08-07 11:11:48 204 WWUS76 KLOX 071611 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 911 AM PDT Fri Aug 7 2026 CAZ038-100300- /O.CON.KLOX.XH.W.0005.000000T0000Z-260810T0300Z/ Cuyama Valley- Including the cities of New Cuyama 911 AM PDT Fri Aug 7 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...The Cuyama Valley. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ377-100300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Northern Ventura County Mountains- Including the cities of Mount Pinos, Ozena, and Lockwood Valley 911 AM PDT Fri Aug 7 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ381>383-100300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Llano, Lancaster, Pearblossom, Palmdale, Elizabeth Lake, Lake Palmdale, Lake Los Angeles, and Valyermo 911 AM PDT Fri Aug 7 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ088-342-343-348-349-351-352-356>358-367>374-548-100300- /O.EXB.KLOX.HT.Y.0012.260808T1700Z-260810T0300Z/ Santa Clarita Valley-Santa Lucia Mountains-Southern Salinas Valley-Santa Ynez Valley-Santa Barbara County Southwestern Coast- Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Lake Casitas-Ojai Valley-Central Ventura County Valleys- Palos Verdes Hills-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-Los Angeles County San Gabriel Valley- Including the cities of San Miguel, Piru, Glendale, Thousand Oaks, El Monte, Meiners Oaks, Refugio State Beach, Hearst Castle, Fillmore, Burbank, East Los Angeles, Malibu Lake, Woodland Hills, Universal City, Pomona, Topanga, Sunland, Santa Paula, Pasadena, Ojai, Northridge, Gaviota, Valencia, San Gabriel, Newhall, Moorpark, Downey, La Canada Flintridge, Jalama Beach, Norwalk, Solvang, Lake Cachuma, San Marcos Pass, Simi Valley, Templeton, Lake Nacimiento, Beverly Hills, Hollywood, Los Olivos, Van Nuys, Rancho Palos Verdes, Irish Hills, Newbury Park, Oak View, Paso Robles, El Capitan State Beach, Montecito Hills, Chatsworth, Santa Clarita, Santa Ynez, Culver City, Compton, Malibu Bowl, Lake Castaic, Atascadero, and Westlake Village 911 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 8 PM PDT SUNDAY... * WHAT...Very warm temperatures of 90 to 100 degrees expected. * WHERE...A portion of southwest California. * WHEN...From 10 AM Saturday to 8 PM PDT Sunday. * 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ344-345-353-375-376-378>380-100300- /O.CON.KLOX.HT.Y.0012.000000T0000Z-260810T0300Z/ San Luis Obispo County Interior Valleys-San Luis Obispo County Mountains-Santa Barbara County Interior Mountains-Santa Susana Mountains-Southern Ventura County Mountains-Interstate 5 Corridor- Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains- Including the cities of Mill Creek, Creston, Figueroa Mountain, Carrizo Plain, Rose Valley, Warm Springs, The Angeles Crest Highway, Pyramid Lake, Topatopa Mountains, Big Pine Mountain, Caliente Range, Wrightwood, San Rafael Mountain, Oat Mountain, La Panza Range, Mount Wilson, Santa Margarita Lake, Mount Baldy, Tejon Pass, Shandon, Matilija, Gorman, and Acton 911 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Very warm temperatures of 90 to 105 degrees expected. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Santa Susana Mountains, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 8 PM PDT Sunday. * 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ Cohen Action: Continued Issued At: 2026-08-07 11:11:48 204 WWUS76 KLOX 071611 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 911 AM PDT Fri Aug 7 2026 CAZ038-100300- /O.CON.KLOX.XH.W.0005.000000T0000Z-260810T0300Z/ Cuyama Valley- Including the cities of New Cuyama 911 AM PDT Fri Aug 7 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...The Cuyama Valley. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ377-100300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Northern Ventura County Mountains- Including the cities of Mount Pinos, Ozena, and Lockwood Valley 911 AM PDT Fri Aug 7 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ381>383-100300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Llano, Lancaster, Pearblossom, Palmdale, Elizabeth Lake, Lake Palmdale, Lake Los Angeles, and Valyermo 911 AM PDT Fri Aug 7 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ088-342-343-348-349-351-352-356>358-367>374-548-100300- /O.EXB.KLOX.HT.Y.0012.260808T1700Z-260810T0300Z/ Santa Clarita Valley-Santa Lucia Mountains-Southern Salinas Valley-Santa Ynez Valley-Santa Barbara County Southwestern Coast- Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Lake Casitas-Ojai Valley-Central Ventura County Valleys- Palos Verdes Hills-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-Los Angeles County San Gabriel Valley- Including the cities of San Miguel, Piru, Glendale, Thousand Oaks, El Monte, Meiners Oaks, Refugio State Beach, Hearst Castle, Fillmore, Burbank, East Los Angeles, Malibu Lake, Woodland Hills, Universal City, Pomona, Topanga, Sunland, Santa Paula, Pasadena, Ojai, Northridge, Gaviota, Valencia, San Gabriel, Newhall, Moorpark, Downey, La Canada Flintridge, Jalama Beach, Norwalk, Solvang, Lake Cachuma, San Marcos Pass, Simi Valley, Templeton, Lake Nacimiento, Beverly Hills, Hollywood, Los Olivos, Van Nuys, Rancho Palos Verdes, Irish Hills, Newbury Park, Oak View, Paso Robles, El Capitan State Beach, Montecito Hills, Chatsworth, Santa Clarita, Santa Ynez, Culver City, Compton, Malibu Bowl, Lake Castaic, Atascadero, and Westlake Village 911 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 8 PM PDT SUNDAY... * WHAT...Very warm temperatures of 90 to 100 degrees expected. * WHERE...A portion of southwest California. * WHEN...From 10 AM Saturday to 8 PM PDT Sunday. * 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ CAZ344-345-353-375-376-378>380-100300- /O.CON.KLOX.HT.Y.0012.000000T0000Z-260810T0300Z/ San Luis Obispo County Interior Valleys-San Luis Obispo County Mountains-Santa Barbara County Interior Mountains-Santa Susana Mountains-Southern Ventura County Mountains-Interstate 5 Corridor- Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains- Including the cities of Mill Creek, Creston, Figueroa Mountain, Carrizo Plain, Rose Valley, Warm Springs, The Angeles Crest Highway, Pyramid Lake, Topatopa Mountains, Big Pine Mountain, Caliente Range, Wrightwood, San Rafael Mountain, Oat Mountain, La Panza Range, Mount Wilson, Santa Margarita Lake, Mount Baldy, Tejon Pass, Shandon, Matilija, Gorman, and Acton 911 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Very warm temperatures of 90 to 105 degrees expected. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Santa Susana Mountains, Southern Ventura County Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...Until 8 PM PDT Sunday. * 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat. && $$ Cohen Action: Expired Issued At: 2026-08-09 22:02:07 878 WWUS76 KLOX 100301 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 801 PM PDT Sun Aug 9 2026 CAZ038-100415- /O.EXP.KLOX.XH.W.0005.000000T0000Z-260810T0300Z/ Cuyama Valley- Including the cities of New Cuyama 801 PM PDT Sun Aug 9 2026 ...EXTREME HEAT WARNING HAS EXPIRED... The risk has ended, however minor heat impacts may still be possible. $$ CAZ377-381>383-100415- /O.EXP.KLOX.XH.W.0004.000000T0000Z-260810T0300Z/ Northern Ventura County Mountains-Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Lake Los Angeles, Pearblossom, Elizabeth Lake, Lake Palmdale, Valyermo, Mount Pinos, Llano, Lockwood Valley, Ozena, Palmdale, and Lancaster 801 PM PDT Sun Aug 9 2026 ...EXTREME HEAT WARNING HAS EXPIRED... The risk has ended, however minor heat impacts may still be possible. $$ CAZ088-342>345-348-349-351>353-356>358-367>376-378>380-548-100415- /O.EXP.KLOX.HT.Y.0012.000000T0000Z-260810T0300Z/ Santa Clarita Valley-Santa Lucia Mountains-Southern Salinas Valley-San Luis Obispo County Interior Valleys-San Luis Obispo County Mountains-Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains- Lake Casitas-Ojai Valley-Central Ventura County Valleys-Palos Verdes Hills-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 Creston, Atascadero, Downey, Irish Hills, Refugio State Beach, Van Nuys, Topatopa Mountains, Pyramid Lake, Pasadena, Piru, Westlake Village, Moorpark, Newhall, Santa Margarita Lake, Malibu Bowl, Templeton, Northridge, Fillmore, Jalama Beach, Compton, Woodland Hills, Sunland, Oat Mountain, Mill Creek, Gaviota, Culver City, Oak View, Warm Springs, Universal City, Lake Castaic, Meiners Oaks, Mount Baldy, Caliente Range, Acton, La Canada Flintridge, Simi Valley, Solvang, East Los Angeles, Mount Wilson, The Angeles Crest Highway, Burbank, Hearst Castle, Carrizo Plain, Gorman, Paso Robles, Lake Cachuma, Montecito Hills, Norwalk, Newbury Park, Lake Nacimiento, Pomona, Chatsworth, San Marcos Pass, Big Pine Mountain, Rancho Palos Verdes, San Miguel, Thousand Oaks, Hollywood, El Capitan State Beach, Ojai, San Rafael Mountain, Glendale, Valencia, Matilija, Wrightwood, Topanga, Santa Paula, Santa Ynez, San Gabriel, Shandon, Malibu Lake, Santa Clarita, Tejon Pass, Rose Valley, La Panza Range, Los Olivos, Figueroa Mountain, Beverly Hills, and El Monte 801 PM PDT Sun Aug 9 2026 ...HEAT ADVISORY HAS EXPIRED... The risk has ended, however minor heat impacts may still be possible. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||