


Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
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817 WWUS76 KSGX 311229 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 529 AM PDT Sun Aug 31 2025 CAZ048-050-057-554-312030- /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 Bernardino, Irvine, Rancho Cucamonga, Fontana, Moreno Valley, Ontario, Poway, El Cajon, Escondido, Santa Ana, Santee, La Mesa, San Marcos, Fullerton, Anaheim, Mission Viejo, Orange, Garden Grove, Corona, and Riverside 529 AM PDT Sun Aug 31 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MONDAY TO 6 PM PDT TUESDAY... * WHAT...Temperatures up to 105 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 Monday 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. && $$ PS