Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Los Angeles, CA
Issued by NWS Los Angeles, CA
567 WWUS76 KLOX 211949 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1249 PM PDT Thu Aug 21 2025 CAZ351-352-368-370-230415- /O.EXT.KLOX.XH.W.0002.000000T0000Z-250824T0400Z/ Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Los Angeles County Inland Coast including Downtown Los Angeles-Eastern Santa Monica Mountains Recreational Area- Including the cities of Compton, Downey, Beverly Hills, Topanga, San Marcos Pass, Hollywood, Norwalk, Montecito Hills, and Culver City 1249 PM PDT Thu Aug 21 2025 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 9 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures up to 98. * WHERE...Eastern Santa Monica Mountains Recreational Area, Los Angeles County Inland Coast including Downtown Los Angeles, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...Until 9 PM PDT Saturday. * 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...There is a chance that an advisory or warning will be needed on Sunday. 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. && $$ CAZ038-088-342>345-348-353-369-371>383-548-230415- /O.CON.KLOX.XH.W.0002.000000T0000Z-250824T0400Z/ Cuyama Valley-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 Interior Mountains-Western 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-Northern Ventura County Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley-Los Angeles County San Gabriel Valley- Including the cities of Lake Cachuma, El Monte, Universal City, Valyermo, Ozena, Shandon, Gorman, Figueroa Mountain, Sunland, Newhall, Pearblossom, Big Pine Mountain, Burbank, Northridge, Wrightwood, Mount Pinos, Atascadero, Mount Wilson, San Rafael Mountain, Matilija, Moorpark, New Cuyama, Pomona, Irish Hills, Lake Los Angeles, Templeton, Caliente Range, Los Olivos, Van Nuys, San Gabriel, Llano, Santa Ynez, Warm Springs, Mill Creek, Simi Valley, Rose Valley, San Miguel, Lake Castaic, Malibu Bowl, Creston, Lake Nacimiento, Newbury Park, Topatopa Mountains, East Los Angeles, Hearst Castle, Pyramid Lake, Carrizo Plain, Acton, Palmdale, Paso Robles, Lancaster, Chatsworth, Santa Clarita, Thousand Oaks, Lockwood Valley, Elizabeth Lake, Solvang, Glendale, Malibu Lake, Woodland Hills, Pasadena, La Panza Range, Westlake Village, Mount Baldy, Oat Mountain, Valencia, Tejon Pass, La Canada Flintridge, The Angeles Crest Highway, Santa Margarita Lake, and Lake Palmdale 1249 PM PDT Thu Aug 21 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures of 95 to 110 degrees expected. * WHERE...A portion of southwest California. * WHEN...Until 9 PM PDT Saturday. * 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...There is a chance that an advisory or warning will be needed on Sunday. 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. && $$ CAZ356>358-230415- /O.EXT.KLOX.HT.Y.0006.000000T0000Z-250824T0400Z/ Lake Casitas-Ojai Valley-Central Ventura County Valleys- Including the cities of Ojai, Fillmore, Santa Paula, Meiners Oaks, Oak View, and Piru 1249 PM PDT Thu Aug 21 2025 ...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT SATURDAY... * WHAT...Temperatures up to 105. * WHERE...Central Ventura County Valleys, Lake Casitas, and Ojai Valley. * WHEN...Until 9 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. * ADDITIONAL DETAILS...There is a chance that an advisory or warning will be needed on Sunday. 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. && $$ CAZ341-347-367-230400- /O.CON.KLOX.HT.Y.0006.000000T0000Z-250823T0400Z/ San Luis Obispo County Inland Central Coast-Santa Barbara County Inland Central Coast-Palos Verdes Hills- Including the cities of Buellton, San Luis Obispo, Nipomo, Santa Maria, Rancho Palos Verdes, and Lopez Lake 1249 PM PDT Thu Aug 21 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY... * WHAT...Temperatures of 90 to 105 degrees expected. * WHERE...Palos Verdes Hills, San Luis Obispo County Inland Central Coast, and Santa Barbara County Inland Central Coast. * WHEN...Until 9 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ Visit us at http://www.weather.gov/LosAngeles MW