Extreme Heat Warning issued September 7 at 11:09AM PDT until September 11 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: 9/9/2026, 5:00:00 PM

Expires: 9/8/2026, 5:15:00 AM

Details

* WHAT...Dangerously hot conditions with temperatures up to 110 degrees expected and overnight low temperatures in the mid-80s to low 90s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Areas of major HeatRisk. Elevated lows will limit overnight 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 September 7 at 1:33PM CDT until September 8 at 7:00PM CDT by NWS Topeka KS

Republic; Washington; Marshall; Nemaha; Brown; Cloud; Clay; Riley; Pottawatomie; Jackson; Jefferson; Ottawa; Dickinson; Geary; Morris; Wabaunsee; Shawnee; Douglas; Lyon; Osage; Franklin; Coffey; Anderson

Extreme Heat Warning issued September 7 at 1:16PM CDT until September 8 at 8:00PM CDT by NWS Kansas City/Pleasant Hill MO

Atchison; Miami; Linn; Leavenworth; Wyandotte; Johnson; Platte; Clay; Jackson; Cass; Bates

Extreme Heat Warning issued September 7 at 11:20AM CDT until September 8 at 8:00PM CDT by NWS Springfield MO

Bourbon; Crawford; Cherokee; Vernon; St. Clair; Barton; Cedar; Jasper; Dade; Newton; Lawrence; McDonald; Barry; Stone

Extreme Heat Warning issued September 7 at 8:39AM PDT until September 10 at 8:00PM PDT by NWS Phoenix AZ

Yuma

Extreme Heat Warning issued September 7 at 8:39AM PDT until September 11 at 8:00PM PDT by NWS Phoenix AZ

Imperial County Southwest

Source: National Weather Service.