Heat Advisory California | Effective 03/17/2026 13:21

Headline: 
Heat Advisory issued March 17 at 1:21PM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
March 17, 2026 - 1:21pm
Expires: 
March 18, 2026 - 1:30am
Description: 
* WHAT...Hot conditions with high temperatures between 80 and 90 expected. * WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands. * WHEN...Until 8 PM PDT Friday. * IMPACTS...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. * ADDITIONAL DETAILS...Warm overnight low temperatures will contribute to the heat risk, especially in the foothill locations.
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: 
San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
Forcast Office: 
NWS Los Angeles/Oxnard CA
Sender: 
w-nws.webmaster@noaa.gov