One product issued by NWS for:
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1258 AM PDT Wed Aug 19 2026 CAZ048-192230- /O.CON.KSGX.HT.Y.0009.260819T1700Z-260821T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, Corona, Moreno Valley, Fontana, Rancho Cucamonga, San Bernardino, and Riverside 1258 AM PDT Wed Aug 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM PDT THURSDAY... * WHAT...Temperatures up to 105 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM this morning to 8 PM PDT Thursday. * 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. && $$ 17