California Moderate Heat Advisory | Effective 09/08/2026 10:49

Headline: 
Heat Advisory issued September 8 at 10:49AM PDT until September 9 at 8:00AM PDT by NWS Los Angeles/Oxnard CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 8, 2026 - 10:49am
Expires: 
September 9, 2026 - 3:00pm
Description: 
* WHAT...Temperatures between 92 and 108 expected. * WHERE...Calabasas and Agoura Hills, Eastern San Fernando Valley, Eastern Santa Monica Mountains Recreational Area, Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Los Angeles County San Gabriel Valley, Malibu Coast, Palos Verdes Hills, Western San Fernando Valley, and Western Santa Monica Mountains Recreational Area. * WHEN...For the Heat Advisory, until 8 AM PDT Wednesday. For the Extreme Heat Warning, from 8 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Humid conditions will add to heat discomfort. Heat peaking on Wednesday for most areas.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed.
Area Description: 
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; Los Angeles County San Gabriel Valley
Forcast Office: 
NWS Los Angeles/Oxnard CA
Sender: 
w-nws.webmaster@noaa.gov