Heat Advisory
Status
Event Continued Active alertStart Time
Wed 07/22/2026 01:00 PM EDTEnd Time
Mon 07/27/2026 11:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Full Alert Message
URGENT - WEATHER MESSAGE National Weather Service San Diego CA 302 AM PDT Tue Jul 21 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT MONDAY... * WHAT...High temperatures in the mid 80s to mid 90s to around 100 for the inland San Diego County valleys with low temperatures in the mid 60s to lower 70s expected. * WHERE...Orange County Inland Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM Wednesday to 8 PM PDT Monday. * 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
CAZ050-057-554-212230- /O.CON.KSGX.HT.Y.0006.260722T1700Z-260728T0300Z/ San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Inland Areas- Including the cities of Escondido, Santee, Garden Grove, San Marcos, Poway, Fullerton, La Mesa, Mission Viejo, Irvine, Santa Ana, Anaheim, El Cajon, and Orange 302 AM PDT Tue Jul 21 2026
