Heat Advisory

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 256 AM PDT Sat Aug 22 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT MONDAY... * WHAT...Temperatures 90 to 97 for Inland Orange County, 90 to 102 for the San Diego County Valleys, 98 to 106 for the Inland Empire and 89 to 100 in the mountains. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM this morning to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. Hot weather is likely to continue much of next 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.