351 WWUS76 KLOX 140340 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 840 PM PDT Mon Jul 13 2026 CAZ038-353-378>380-141915- /O.CON.KLOX.XH.W.0002.260714T1700Z-260717T0300Z/ /O.CON.KLOX.HT.Y.0008.000000T0000Z-260714T1700Z/ Cuyama Valley-Santa Barbara County Interior Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor- Eastern San Gabriel Mountains- Including the cities of New Cuyama, Gorman, Mount Baldy, The Angeles Crest Highway, Big Pine Mountain, Acton, Pyramid Lake, Mill Creek, San Rafael Mountain, Mount Wilson, Tejon Pass, Figueroa Mountain, Wrightwood, and Warm Springs 840 PM PDT Mon Jul 13 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 THURSDAY... * WHAT...Temperatures of 90 to 110 degrees, hottest on Wednesday and over interior areas. * WHERE...Cuyama Valley, Eastern San Gabriel Mountains, Interstate 5 Corridor, Santa Barbara County Interior Mountains, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Thursday. * 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...Humid conditions will add to the heat to potentially worsen heat impacts. Effects of the heat will build through the week, with warm overnight low temperatures providing little relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. && $$ CAZ088-368-372-373-375-548-141915- /O.CON.KLOX.XH.W.0002.260714T1700Z-260717T0300Z/ /O.CON.KLOX.HT.Y.0009.000000T0000Z-260714T1700Z/ Santa Clarita Valley-Los Angeles County Inland Coast including Downtown Los Angeles-Western San Fernando Valley-Eastern San Fernando Valley-Santa Susana Mountains-Los Angeles County San Gabriel Valley- Including the cities of Burbank, Oat Mountain, Valencia, Beverly Hills, Norwalk, Downey, East Los Angeles, Van Nuys, Lake Castaic, Universal City, Sunland, Santa Clarita, Pomona, La Canada Flintridge, Northridge, El Monte, Culver City, Woodland Hills, San Gabriel, Newhall, Glendale, Compton, Pasadena, Hollywood, and Chatsworth 840 PM PDT Mon Jul 13 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 THURSDAY... * WHAT...Temperatures of 90 to 110 degrees, hottest on Wednesday and over interior areas. * WHERE...Eastern San Fernando Valley, Los Angeles County Inland Coast including Downtown Los Angeles, Los Angeles County San Gabriel Valley, Santa Clarita Valley, Santa Susana Mountains, and Western San Fernando Valley. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Thursday. * 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...Humid conditions will add to the heat to potentially worsen heat impacts. Effects of the heat will build through the week, with warm overnight low temperatures providing little relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. && $$ CAZ349>352-356>358-369>371-374-381>383-141915- /O.CON.KLOX.XH.W.0002.260714T1700Z-260717T0300Z/ Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Western Santa Monica Mountains Recreational Area- Eastern Santa Monica Mountains Recreational Area-Calabasas and Agoura Hills-Southeastern Ventura County Valleys-Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Jalama Beach, Lake Palmdale, Llano, Newbury Park, Simi Valley, Lancaster, Lake Los Angeles, Elizabeth Lake, Oak View, Valyermo, Pearblossom, Moorpark, San Marcos Pass, Ojai, Fillmore, Montecito Hills, Carpinteria, El Capitan State Beach, Westlake Village, Santa Paula, Refugio State Beach, Goleta, Malibu Bowl, Palmdale, Malibu Lake, Thousand Oaks, Meiners Oaks, Gaviota, Montecito, Piru, Topanga, and Santa Barbara 840 PM PDT Mon Jul 13 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY... * WHAT...Temperatures of 90 to 110 degrees, hottest on Wednesday and over interior areas. * WHERE...A portion of southwest California. * WHEN...From 10 AM Tuesday to 8 PM PDT Thursday. * 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...Humid conditions will add to the heat to potentially worsen heat impacts. Effects of the heat will build through the week, with warm overnight low temperatures providing little relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. && $$ CAZ343>345-376-377-141915- /O.CON.KLOX.HT.Y.0008.000000T0000Z-260717T0300Z/ Southern Salinas Valley-San Luis Obispo County Interior Valleys- San Luis Obispo County Mountains-Southern Ventura County Mountains-Northern Ventura County Mountains- Including the cities of San Miguel, Topatopa Mountains, Ozena, Shandon, Caliente Range, Santa Margarita Lake, La Panza Range, Atascadero, Matilija, Mount Pinos, Carrizo Plain, Creston, Lockwood Valley, Paso Robles, Lake Nacimiento, Rose Valley, and Templeton 840 PM PDT Mon Jul 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY... * WHAT...Temperatures up to 83 expected. * WHERE...Northern Ventura County Mountains, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Southern Salinas Valley, and Southern Ventura County Mountains. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ CAZ087-341-342-347-348-354-355-362-366-367-549-550-141915- /O.CON.KLOX.HT.Y.0008.260714T1700Z-260717T0300Z/ Catalina and Santa Barbara Islands-San Luis Obispo County Inland Central Coast-Santa Lucia Mountains-Santa Barbara County Inland Central Coast-Santa Ynez Valley-Ventura County Beaches-Ventura County Inland Coast-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills-San Miguel and Santa Rosa Islands-Santa Cruz and Anacapa Islands- Including the cities of Irish Hills, Long Beach, Buellton, Santa Monica, Avalon, Santa Maria, Oxnard, Point Mugu, Redondo Beach, Pacific Palisades, Santa Ynez, Torrance, East Ventura, Solvang, San Luis Obispo, Malibu, Lake Cachuma, Los Olivos, Cuyler Harbor, Nipomo, Smugglers Cove, Lopez Lake, Camarillo, Port Hueneme, Hearst Castle, LAX, Ventura, and Rancho Palos Verdes 840 PM PDT Mon Jul 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM PDT THURSDAY... * WHAT...Temperatures up to 96 expected. * WHERE...A portion of southwest California. * WHEN...From 10 AM Tuesday to 8 PM PDT Thursday. * 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. 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. && $$ Visit us at http://www.weather.gov/LosAngeles Cohen/MW/CC