Heat Advisory

Locations Affected

Riverside, CA ∙ San Bernardino, CA ∙ Anaheim, CA ∙ Santa Ana, CA ∙ Irvine, CA ∙ Ontario, CA ∙ Fontana, CA ∙ Corona, CA ∙ Orange, CA ∙ Moreno Valley, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1238 PM PDT Tue Jun 17 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... * WHAT...High temperatures mostly in the 90s for the Inland Empire, the inland San Diego County valleys, and the mountains below 4500 feet. * WHERE...Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, and San Diego County Valleys. * WHEN...Until 8 PM PDT Wednesday. * IMPACTS...Widespread Moderate HeatRisk. 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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