Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Los Angeles, CA
Issued by NWS Los Angeles, CA
117 WWUS76 KLOX 210158 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 658 PM PDT Wed Aug 20 2025 CAZ038-088-342>345-348-353-369-371>383-548-211400- /O.CON.KLOX.XH.W.0002.250821T1800Z-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 Irish Hills, Lake Los Angeles, Templeton, Santa Ynez, Glendale, Thousand Oaks, Newhall, San Miguel, Carrizo Plain, Mount Wilson, Hearst Castle, Lake Castaic, Elizabeth Lake, Chatsworth, San Gabriel, Llano, La Canada Flintridge, Ozena, Santa Clarita, Rose Valley, Matilija, Warm Springs, Mount Baldy, Newbury Park, Shandon, Lockwood Valley, Big Pine Mountain, East Los Angeles, Santa Margarita Lake, Lancaster, San Rafael Mountain, Pyramid Lake, Los Olivos, Sunland, Lake Cachuma, Mount Pinos, Malibu Lake, Moorpark, Acton, El Monte, Pasadena, Caliente Range, Lake Nacimiento, Westlake Village, Pomona, Palmdale, Simi Valley, Atascadero, Universal City, Woodland Hills, Burbank, Valencia, Solvang, Malibu Bowl, Topatopa Mountains, Wrightwood, The Angeles Crest Highway, Gorman, Figueroa Mountain, Pearblossom, Valyermo, La Panza Range, Tejon Pass, Mill Creek, Oat Mountain, New Cuyama, Creston, Northridge, Van Nuys, Paso Robles, and Lake Palmdale 658 PM PDT Wed Aug 20 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures of 95 to 110 degrees expected. * WHERE...A portion of southwest California. * WHEN...From 11 AM Thursday to 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. 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. && $$ CAZ351-352-368-370-211400- /O.CON.KLOX.XH.W.0002.250821T1800Z-250823T0400Z/ Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Los Angeles County Inland Coast including Downtown Los Angeles-Eastern Santa Monica Mountains Recreational Area- Including the cities of Montecito Hills, San Marcos Pass, Culver City, Topanga, Compton, Beverly Hills, Downey, Hollywood, and Norwalk 658 PM PDT Wed Aug 20 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...Dangerously hot conditions with temperatures up to 96 expected. * WHERE...Eastern Santa Monica Mountains Recreational Area, Los Angeles County Inland Coast including Downtown Los Angeles, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...From 11 AM Thursday to 9 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. && $$ CAZ341-347-356>358-367-211400- /O.CON.KLOX.HT.Y.0006.250821T1800Z-250823T0400Z/ San Luis Obispo County Inland Central Coast-Santa Barbara County Inland Central Coast-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Palos Verdes Hills- Including the cities of Nipomo, Oak View, Piru, Ojai, Lopez Lake, Fillmore, Santa Paula, Santa Maria, Buellton, Rancho Palos Verdes, San Luis Obispo, and Meiners Oaks 658 PM PDT Wed Aug 20 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT FRIDAY... * WHAT...Temperatures of 90 to 105 degrees expected. * WHERE...Central Ventura County Valleys, Lake Casitas, Ojai Valley, Palos Verdes Hills, San Luis Obispo County Inland Central Coast, and Santa Barbara County Inland Central Coast. * WHEN...From 11 AM Thursday to 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 Phillips