California Moderate Heat Advisory | Effective 07/21/2026 00:11

Headline: 
Heat Advisory issued July 21 at 12:11AM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 21, 2026 - 12:11am
Expires: 
July 21, 2026 - 5:00pm
Description: 
* WHAT...Temperatures up to 93 expected. * WHERE...Los Angeles County Inland Coast including Downtown Los Angeles. * WHEN...From 10 AM Wednesday to 8 PM PDT Monday. * 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.
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: 
Los Angeles County Inland Coast including Downtown Los Angeles
Forcast Office: 
NWS Los Angeles/Oxnard CA