California Moderate Heat Advisory | Effective 07/08/2026 07:57

Headline: 
Heat Advisory issued July 8 at 7:57AM PDT until July 10 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 8, 2026 - 7:57am
Expires: 
July 8, 2026 - 8:00pm
Description: 
* WHAT...Temperatures up to 105. * WHERE...A portion of southwest California. * 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...The warmest temperatures with this event are expected to occur Wednesday and Thursday afternoons with only a very modest cool down Friday providing little relief. Temperatures are expected to cool down slightly more over the weekend, but remain above normal into the following week.
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: 
Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Northern 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