Extreme Heat Watch
Status
Event Continued Active alertStart Time
Mon 03/16/2026 11:00 PM EDTEnd Time
Fri 03/20/2026 11:00 PM EDTSignificance
WatchImpacts
Moderate impact
Locations Affected
Los Angeles, CA ∙ Long Beach, CA ∙ Oxnard, CA ∙ Thousand Oaks, CA ∙ Torrance, CA ∙ Santa Clarita, CA ∙ Glendale, CA ∙ Pasadena, CA ∙ Pomona, CA ∙ Simi Valley, CAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1207 AM PDT Sun Mar 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT MONDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH FRIDAY EVENING... * WHAT...For the Heat Advisory, temperatures of 82 to 98 expected.. For the Extreme Heat Watch, dangerously hot conditions with temperatures of 90 to 104 are possible. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Monday. For the Extreme Heat Watch, from Monday evening through Friday evening. * 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. 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.
Technical Header
CAZ087-088-340>342-345>358-362-366>376-378>380-548-151930- /O.CON.KLOX.HT.Y.0003.260316T1700Z-260317T0300Z/ /O.CON.KLOX.XH.A.0001.260317T0300Z-260321T0300Z/ Catalina and Santa Barbara Islands-Santa Clarita Valley-San Luis Obispo County Beaches-San Luis Obispo County Inland Central Coast- Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Barbara County Central Coast Beaches-Santa Barbara County Inland Central Coast-Santa Ynez Valley-Santa Barbara County Southwestern Coast-Santa Barbara County Southeastern Coast-Santa Ynez Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara County Interior Mountains-Ventura County Beaches-Ventura County Inland Coast-Lake Casitas-Ojai Valley-Central Ventura County Valleys-Malibu Coast-Los Angeles County Beaches-Palos Verdes Hills-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-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 Ojai, Oxnard, La Panza Range, Sunland, Universal City, Figueroa Mountain, Morro Bay, Chatsworth, Rancho Palos Verdes, Mount Wilson, Newhall, Westlake Village, Acton, San Gabriel, Culver City, Pasadena, Hearst Castle, Nipomo, Vandenberg Space Force Base, Woodland Hills, Santa Paula, Camarillo, Moorpark, Rose Valley, Norwalk, Avalon, Santa Clarita, San Marcos Pass, Thousand Oaks, Irish Hills, Northridge, Lompoc, Burbank, Cambria, Topanga, San Luis Obispo, Hollywood, El Monte, Redondo Beach, LAX, Malibu, Santa Maria, Montecito Hills, Montecito, Port Hueneme, Newbury Park, Compton, Oak View, Pismo Beach, Arroyo Grande, Mount Baldy, Point Mugu, Beverly Hills, The Angeles Crest Highway, Torrance, Downey, Gorman, Long Beach, Malibu Bowl, Avila Beach, Goleta, Tejon Pass, El Capitan State Beach, Van Nuys, Matilija, Pacific Palisades, Buellton, Jalama Beach, Fillmore, Gaviota, Wrightwood, Los Olivos, Santa Monica, Valencia, Glendale, Big Pine Mountain, San Rafael Mountain, Lake Cachuma, Caliente Range, Mill Creek, Lopez Lake, Refugio State Beach, Oat Mountain, Santa Ynez, Santa Barbara, East Ventura, Ventura, Warm Springs, Piru, La Canada Flintridge, Pyramid Lake, Topatopa Mountains, Simi Valley, Malibu Lake, Carpinteria, Pomona, Lake Castaic, Solvang, Meiners Oaks, East Los Angeles, and Santa Margarita Lake 1207 AM PDT Sun Mar 15 2026
