Heat Advisory

Locations Affected

Riverside, CA ∙ San Bernardino, CA ∙ Rancho Cucamonga, CA ∙ Escondido, CA ∙ Corona, CA ∙ Fontana, CA ∙ Ontario, CA ∙ Moreno Valley, CA ∙ Temecula, CA ∙ El Cajon, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 128 PM PDT Fri May 9 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY... * WHAT...Temperatures up to 101-103, locally near 105. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 9 PM PDT Saturday. * 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.

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