


Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
832 WWUS76 KSGX 011233 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 533 AM PDT Mon Sep 1 2025 CAZ048-050-057-554-020100- /O.CON.KSGX.HT.Y.0006.250901T1700Z-250903T0100Z/ San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Inland Areas- Including the cities of San Marcos, Fullerton, Anaheim, Orange, Fontana, Ontario, Corona, Rancho Cucamonga, Escondido, El Cajon, La Mesa, Moreno Valley, Irvine, Santee, Poway, Riverside, San Bernardino, Mission Viejo, Santa Ana, and Garden Grove 533 AM PDT Mon Sep 1 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM PDT TUESDAY... * WHAT...Temperatures exceeding 100 degrees expected. * WHERE...Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM this morning to 6 PM PDT Tuesday. * 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ PS