Extreme Heat Warning

Locations Affected

San Bernardino, CA ∙ Anaheim, CA ∙ Irvine, CA ∙ Santa Ana, CA ∙ San Diego, CA ∙ Riverside, CA ∙ Chula Vista, CA ∙ Orange, CA ∙ Moreno Valley, CA ∙ Garden Grove, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 338 PM PDT Tue Oct 6 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...Dangerously hot conditions with temperatures 105 to 108 expected. Low temperatures in the upper 70s to low 80s. * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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.

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