Extreme Heat Watch
Status
New Event Active alertStart Time
Mon 03/16/2026 01:00 PM EDTEnd Time
Fri 03/20/2026 11:00 PM EDTSignificance
WatchImpacts
Moderate impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1208 PM PDT Fri Mar 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM MONDAY THROUGH FRIDAY... * WHAT...For the Heat Advisory, temperatures up to 95. Historic, long and record breaking March heatwave possible next week with dangerously hot conditions up to 100 possible within the Extreme Heat Watch. * WHERE...Much of Southwest California. * WHEN...For the Heat Advisory, until 8 PM PDT this evening. For the Extreme Heat Watch, from Monday through Friday. * IMPACTS...Long duration summer-like heat wave will lead to increased risk of heat illness, especially for vulnerable people such as the young and old and those without cooling systems. * ADDITIONAL DETAILS...Take steps now to ensure you have a heat plan for you and your community. 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.
Technical Header
CAZ088-354>358-362-366>375-548-140315- /O.NEW.KLOX.XH.A.0001.260316T1700Z-260321T0300Z/ /O.CON.KLOX.HT.Y.0002.000000T0000Z-260314T0300Z/ Santa Clarita Valley-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-Los Angeles County San Gabriel Valley- Including the cities of Valencia, Pomona, Pasadena, Woodland Hills, Simi Valley, Point Mugu, Malibu Bowl, Culver City, Santa Clarita, Malibu Lake, El Monte, Norwalk, La Canada Flintridge, Lake Castaic, Pacific Palisades, Glendale, Newhall, Compton, Westlake Village, Chatsworth, Long Beach, Northridge, Beverly Hills, Fillmore, East Ventura, Redondo Beach, Santa Paula, Ojai, Oak View, Santa Monica, Meiners Oaks, Torrance, Oat Mountain, East Los Angeles, Hollywood, Moorpark, Piru, Sunland, Camarillo, Van Nuys, Topanga, Downey, Rancho Palos Verdes, LAX, San Gabriel, Universal City, Malibu, Oxnard, Thousand Oaks, Port Hueneme, Newbury Park, Ventura, and Burbank 1208 PM PDT Fri Mar 13 2026