Heat Advisory
Status
Event Continued Active alertStart Time
Tue 10/28/2025 02:00 PM EDTEnd Time
Wed 10/29/2025 10:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Irvine, CA ∙ Riverside, CA ∙ Anaheim, CA ∙ San Bernardino, CA ∙ Santa Ana, CA ∙ Garden Grove, CA ∙ Escondido, CA ∙ Ontario, CA ∙ Fontana, CA ∙ Corona, CAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service San Diego CA 210 AM PDT Tue Oct 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM PDT WEDNESDAY... * WHAT...Temperatures up to 94 today and 96 for Wednesday expected. * WHERE...Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, and San Diego County Valleys. * WHEN...From 11 AM this morning to 7 PM PDT Wednesday. * 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.
Technical Header
CAZ048-050-554-282230- /O.CON.KSGX.HT.Y.0007.251028T1800Z-251030T0200Z/ San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Orange County Inland Areas- Including the cities of Orange, Fontana, Garden Grove, Santa Ana, Escondido, Moreno Valley, Rancho Cucamonga, San Marcos, La Mesa, Poway, Mission Viejo, Ontario, San Bernardino, Irvine, Santee, Riverside, Anaheim, Fullerton, El Cajon, and Corona 210 AM PDT Tue Oct 28 2025
