Heat Advisory
Status
Event Extended (Time) 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
Santa Ana, CA ∙ Irvine, CA ∙ Riverside, CA ∙ Anaheim, CA ∙ San Bernardino, CA ∙ Fullerton, CA ∙ Rancho Cucamonga, CA ∙ Moreno Valley, CA ∙ Garden Grove, CA ∙ Escondido, CAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service San Diego CA 200 AM PDT Mon Oct 27 2025 ...HEAT ADVISORY NOW IN EFFECT FROM 11 AM TUESDAY TO 7 PM PDT WEDNESDAY... * WHAT...Temperatures up to 94 on Tuesday and 97 on 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 Tuesday 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
CAZ048-050-554-272230- /O.EXT.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 Ontario, Irvine, Mission Viejo, Santa Ana, Fullerton, La Mesa, Rancho Cucamonga, Corona, Garden Grove, Moreno Valley, El Cajon, San Bernardino, Santee, Fontana, Riverside, Poway, Orange, Escondido, Anaheim, and San Marcos 200 AM PDT Mon Oct 27 2025
