Extreme Heat Warning issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning

Urgency: Expected

Certainty: Likely

Onset: 8/24/2026, 9:08:00 PM

Expires: 8/25/2026, 5:45:00 AM

Details

* WHAT...Dangerously hot conditions with high temperatures of 110 to 116 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning Counties. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight temperatures 5 to 8 degrees above normal will limit relief from the heat.

What To Do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Other Active Extreme Heat Warning Alerts

Extreme Heat Warning issued August 24 at 2:28PM MST until August 29 at 8:00PM MST by NWS Tucson AZ

Upper Santa Cruz River and Altar Valleys including Nogales; Upper San Pedro River Valley including Sierra Vista/Benson; Eastern Cochise County Below 5000 Feet including Douglas/Willcox

Extreme Heat Warning issued August 24 at 2:28PM MST until August 29 at 8:00PM MST by NWS Tucson AZ

Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper Gila River and Aravaipa Valleys including Clifton/Safford

Extreme Heat Warning issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

San Bernardino and Riverside County Valleys-The Inland Empire

Extreme Heat Warning issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

Orange County Inland

Extreme Heat Warning issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

Santa Ana Mountains and Foothills

Source: National Weather Service.