Weather Alerts For Placentia, CA

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING # DETAILS -------------------- WHAT High temperatures in the low 90s and low temperatures in the upper 60s and lower 70s. WHERE Orange County Inland Areas. WHEN Until 8 PM PDT this evening. IMPACTS Hot temperatures may cause heat illnesses. ISSUED AT Monday, July 27, 2026 at 5:24 AM PDT ISSUED BY National Weather Service San Diego CA HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Orange County Inland Areas Including the cities of Mission Viejo, Orange, Santa Ana, Anaheim, Fullerton, Garden Grove, and Irvine