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
Anaheim, CA ∙ San Bernardino, CA ∙ Santa Ana, CA ∙ Irvine, CA ∙ Riverside, CA ∙ Fontana, CA ∙ Corona, CA ∙ Orange, CA ∙ Fullerton, CA ∙ Rancho Cucamonga, CAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service San Diego CA 105 PM PDT Mon Oct 27 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY TO 7 PM PDT WEDNESDAY... * WHAT...Temperatures up to 91 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
CAZ048-050-554-280415- /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, Irvine, Santa Ana, Fontana, Anaheim, Fullerton, Riverside, Corona, Moreno Valley, La Mesa, Poway, Ontario, Escondido, San Marcos, Santee, Mission Viejo, Rancho Cucamonga, El Cajon, Garden Grove, and San Bernardino 105 PM PDT Mon Oct 27 2025
