Heat Advisory

Locations Affected

Anaheim, CA ∙ Santa Ana, CA ∙ Irvine, CA ∙ San Bernardino, CA ∙ Riverside, CA ∙ Fontana, CA ∙ Rancho Cucamonga, CA ∙ Orange, CA ∙ Fullerton, CA ∙ Escondido, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 336 AM PDT Fri Aug 22 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Temperatures up to 95 expected. * WHERE...Orange County Inland Areas and Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

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