Heat Advisory

Status

Event Continued Active alert

Start Time

Wed 08/06/2025 01:00 PM EDT

End Time

Fri 08/08/2025 11:00 PM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Anaheim, CA ∙ Santa Ana, CA ∙ Irvine, CA ∙ San Bernardino, CA ∙ Riverside, CA ∙ Rancho Cucamonga, CA ∙ Orange, CA ∙ Fullerton, CA ∙ Escondido, CA ∙ Garden Grove, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 901 PM PDT Tue Aug 5 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...Temperatures in the 90s expected. * WHERE...Orange County Inland Areas and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Thursday will be the hottest day of the week. 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

CAZ057-554-061315- /O.CON.KSGX.HT.Y.0004.250806T1700Z-250809T0300Z/ Santa Ana Mountains and Foothills-Orange County Inland Areas- Including the cities of Santa Ana, Irvine, Fullerton, Orange, Mission Viejo, Anaheim, and Garden Grove 901 PM PDT Tue Aug 5 2025