California Severe Extreme Heat Warning | Effective 07/15/2026 10:37

Headline: 
Extreme Heat Warning issued July 15 at 10:37AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 15, 2026 - 10:37am
Expires: 
July 16, 2026 - 4:00am
Description: 
* WHAT...Dangerously hot conditions with temperatures up to 106. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates.
Area Description: 
Cuyama Valley; Santa Clarita Valley; Lake Casitas; Ojai Valley; Central Ventura County Valleys; 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; Southeastern Ventura County Valleys; Santa Susana Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley; Los Angeles County San Gabriel Valley
Forcast Office: 
NWS Los Angeles/Oxnard CA