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Heat Advisory

Status

New Event Active alert

Start Time

Mon 06/16/2025 01:00 PM EDT

End Time

Wed 06/18/2025 11:00 PM EDT

Significance

Advisory

Impacts

Low impact

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 953 AM PDT Mon Jun 16 2025 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT WEDNESDAY... * WHAT...For the Inland Empire, temperatures in the upper 90s to around 102 degrees. For the San Diego county valleys, temperatures in the mid to upper 90s, locally 100 degrees. For the mountains below 4500 ft, highs in the upper 80s to mid 90s. * 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, and seek shade if outdoors.

Technical Header

CAZ048-050-056-058-170515- /O.NEW.KSGX.HT.Y.0002.250616T1700Z-250619T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Riverside County Mountains-San Diego County Mountains- Including the cities of El Cajon, Escondido, Rancho Cucamonga, Poway, Fontana, Riverside, San Marcos, Santee, Julian, Pine Valley, Ontario, Moreno Valley, Corona, and San Bernardino 953 AM PDT Mon Jun 16 2025