WWUS76 KLOX 222125 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 225 PM PDT Sat Aug 22 2026 CAZ087-349-350-354-355-362-366>368-251700- /O.NEW.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/ /O.NEW.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/ Catalina and Santa Barbara Islands-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast- Ventura County Beaches-Ventura County Inland Coast-Malibu Coast- Los Angeles County Beaches-Palos Verdes Hills-Los Angeles County Inland Coast including Downtown Los Angeles- Including the cities of Ventura, Hollywood, El Capitan State Beach, Avalon, Culver City, Redondo Beach, Compton, Oxnard, Carpinteria, Montecito, Norwalk, Port Hueneme, Santa Monica, Santa Barbara, Gaviota, Camarillo, Refugio State Beach, Malibu, Jalama Beach, Goleta, Downey, Long Beach, Torrance, Beverly Hills, East Ventura, Point Mugu, LAX, Pacific Palisades, and Rancho Palos Verdes 225 PM PDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...For the Heat Advisory, temperatures up to 94 expected. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 100 possible. * WHERE...Catalina and Santa Barbara Islands, Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Malibu Coast, Palos Verdes Hills, Santa Barbara County Southeastern Coast, Santa Barbara County Southwestern Coast, Ventura County Beaches, and Ventura County Inland Coast. * WHEN...For the Heat Advisory, from 10 AM Sunday to 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. 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. && $$ CAZ088-351>353-356>358-369>376-378>380-548-251700- /O.NEW.KLOX.HT.Y.0014.260823T1700Z-260825T1700Z/ /O.NEW.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/ Santa Clarita Valley-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Lake Casitas-Ojai Valley-Central Ventura County Valleys- 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-Interstate 5 Corridor-Western San Gabriel Mountains and Highway 14 Corridor-Eastern San Gabriel Mountains-Los Angeles County San Gabriel Valley- Including the cities of Mount Baldy, Newbury Park, Universal City, Simi Valley, Glendale, San Marcos Pass, Oak View, Big Pine Mountain, Valencia, East Los Angeles, La Canada Flintridge, Montecito Hills, Malibu Bowl, Northridge, Topatopa Mountains, Van Nuys, Gorman, Wrightwood, The Angeles Crest Highway, San Rafael Mountain, Topanga, Moorpark, Rose Valley, San Gabriel, Santa Clarita, Figueroa Mountain, Pyramid Lake, Pasadena, Piru, Meiners Oaks, Westlake Village, Pomona, El Monte, Newhall, Malibu Lake, Warm Springs, Tejon Pass, Ojai, Burbank, Chatsworth, Mill Creek, Mount Wilson, Fillmore, Sunland, Santa Paula, Woodland Hills, Lake Castaic, Acton, Oat Mountain, Thousand Oaks, and Matilija 225 PM PDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...For the Heat Advisory, temperatures up to 107 expected. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 112 possible. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, from 10 AM Sunday to 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. 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. && $$ CAZ038-381>383-251700- /O.NEW.KLOX.XH.A.0005.260825T1700Z-260829T0300Z/ Cuyama Valley-Western Antelope Valley Foothills-Eastern Antelope Valley Foothills-Antelope Valley- Including the cities of Pearblossom, Lake Palmdale, Llano, Lancaster, Valyermo, New Cuyama, Elizabeth Lake, Lake Los Angeles, and Palmdale 225 PM PDT Sat Aug 22 2026 ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures up to 112 possible. * WHERE...Antelope Valley, Cuyama Valley, Eastern Antelope Valley Foothills, and Western Antelope Valley Foothills. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. 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. && $$