Extreme Heat Warning
Status
Event Continued Active alertStart Time
Sat 08/01/2026 02:28 PM EDTEnd Time
Sun 08/02/2026 11:00 PM EDTSignificance
WarningImpacts
High impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1128 AM PDT Sat Aug 1 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * WHAT...Hot daytime conditions with high temperatures between 95 and 105 common, except localized 105 to 110 in the hottest locations. Warm overnight conditions will bring less relief than usual. * WHERE...Most valleys and mountains of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo Counties. * 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. Limit strenuous activities to early morning or evening hours. Take action when you see symptoms of heat exhaustion.
Technical Header
CAZ038-088-343>345-351>353-356>358-368>376-548-030300- /O.CON.KLOX.XH.W.0004.000000T0000Z-260803T0300Z/ Cuyama Valley-Santa Clarita Valley-Southern Salinas Valley-San Luis Obispo County Interior Valleys-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- Los Angeles County San Gabriel Valley- Including the cities of Malibu Lake, Santa Paula, San Miguel, Northridge, Valencia, Van Nuys, Sunland, Oat Mountain, El Monte, Shandon, Carrizo Plain, Woodland Hills, Downey, Oak View, Thousand Oaks, Templeton, Paso Robles, Culver City, La Canada Flintridge, Topanga, Montecito Hills, Beverly Hills, Lake Castaic, San Marcos Pass, Chatsworth, Creston, Meiners Oaks, Pasadena, Ojai, Fillmore, New Cuyama, Malibu Bowl, Newbury Park, Lake Nacimiento, San Rafael Mountain, Santa Clarita, Glendale, East Los Angeles, Figueroa Mountain, Santa Margarita Lake, Piru, Newhall, Atascadero, Matilija, Topatopa Mountains, Simi Valley, Westlake Village, San Gabriel, Hollywood, Burbank, La Panza Range, Pomona, Rose Valley, Moorpark, Compton, Caliente Range, Norwalk, Universal City, and Big Pine Mountain 1128 AM PDT Sat Aug 1 2026
