Extreme Heat Watch California | Effective 03/13/2026 12:08

Headline: 
Extreme Heat Watch issued March 13 at 12:08PM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
March 13, 2026 - 12:08pm
Expires: 
March 13, 2026 - 8:15pm
Description: 
* 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 morning through Friday evening. * 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.
Instruction: 
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.
Area Description: 
San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Lucia 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
Forcast Office: 
NWS Los Angeles/Oxnard CA
Sender: 
w-nws.webmaster@noaa.gov