Extreme Heat Watch California | Effective 03/15/2026 00:07

Headline: 
Extreme Heat Watch issued March 15 at 12:07AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
March 15, 2026 - 12:07am
Expires: 
March 15, 2026 - 12:30pm
Description: 
* 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.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
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
Forcast Office: 
NWS Los Angeles/Oxnard CA
Sender: 
w-nws.webmaster@noaa.gov