California Moderate Heat Advisory | Effective 07/22/2026 09:01

Headline: 
Heat Advisory issued July 22 at 9:01AM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 22, 2026 - 9:01am
Expires: 
July 23, 2026 - 7:00am
Description: 
* WHAT...Hot daytime conditions with high temperatures between 97 and 107 common. Warm overnight conditions will bring less relief than usual * WHERE...Valleys and mountains of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo Counties. * WHEN...Until 8 PM PDT Monday, peaking Thursday through Sunday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...While today (Wednesday) will not be as hot as previously expected, a sharp warm up is still on track for Thursday.
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. 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; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Valley; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; 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; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Los Angeles County San Gabriel Valley
Forcast Office: 
NWS Los Angeles/Oxnard CA