Extreme Heat Warning
Status
Event Continued Active alertStart Time
Fri 08/22/2025 11:55 AM EDTEnd Time
Sun 08/24/2025 12:00 AM EDTSignificance
WarningImpacts
High impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 855 AM PDT Fri Aug 22 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.
Technical Header
CAZ038-088-342>345-348-353-369-371>383-548-230400- /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 Figueroa Mountain, Newbury Park, Lockwood Valley, Mount Baldy, La Canada Flintridge, Los Olivos, Woodland Hills, Llano, Northridge, Santa Clarita, Lake Nacimiento, San Rafael Mountain, Mount Wilson, Topatopa Mountains, Atascadero, Pomona, Thousand Oaks, Caliente Range, San Gabriel, Templeton, La Panza Range, Lake Castaic, El Monte, Hearst Castle, Gorman, Warm Springs, Wrightwood, Lancaster, Oat Mountain, Malibu Bowl, Lake Los Angeles, Lake Cachuma, Mill Creek, Burbank, Matilija, Valyermo, Simi Valley, Pyramid Lake, Glendale, East Los Angeles, Rose Valley, Tejon Pass, Shandon, Lake Palmdale, Pasadena, Solvang, Valencia, Newhall, Irish Hills, Carrizo Plain, Ozena, Sunland, Chatsworth, Palmdale, Santa Ynez, Acton, The Angeles Crest Highway, Santa Margarita Lake, San Miguel, New Cuyama, Paso Robles, Creston, Van Nuys, Elizabeth Lake, Mount Pinos, Pearblossom, Westlake Village, Universal City, Moorpark, Big Pine Mountain, and Malibu Lake 855 AM PDT Fri Aug 22 2025