Extreme Heat Warning Issued for Southern California

A dangerous and prolonged heat wave is gripping Southern California, with temperatures forecast to reach their highest levels of the year on Wednesday, July 15, 2026. The extreme conditions have triggered widespread heat warnings and raised significant concerns about public health and wildfire risk across the region.

An extreme heat warning is in effect for much of Los Angeles County through 8 p.m. on Thursday, July 16, covering valleys, mountains, and inland coastal plains. In these areas, temperatures on Wednesday and Thursday are expected to range from the 90s to as high as 110 degrees. A separate extreme heat warning is also active for inland Orange County from Wednesday morning through Thursday evening. Coastal zones, including Los Angeles County beaches, are under a heat advisory, with temperatures still predicted to climb into the 80s and 90s.

Forecasters warn that the warmest weather of the season will create a high risk for heat-related illnesses. Officials have emphasized the danger is particularly acute for the very young, the elderly, those without air conditioning, and people working outdoors. Overnight temperatures will offer little relief, with lows expected to...