Extreme Heat Warning

Locations Affected

San Bernardino, CA ∙ Riverside, CA ∙ Ontario, CA ∙ Rancho Cucamonga, CA ∙ Moreno Valley, CA ∙ Fontana, CA ∙ Corona, CA ∙ Murrieta, CA ∙ Rialto, CA ∙ Victorville, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 202 PM PDT Sat Jul 25 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...Dangerously hot conditions with high temperatures up to 120 and lows in the mid 80s to mid 90s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk. Elevated low temperatures will limit overnight relief from the heat. 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.

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