Weather Alerts For Rancho Cucamonga, CA
High Wind Watch
-URGENT - WEATHER MESSAGE National Weather Service San Diego CA 529 AM PST Sun Dec 28 2025 San Bernardino and Riverside County Valleys-The Inland Empire-San Bernardino County Mountains-Santa Ana Mountains and Foothills-San Gorgonio Pass near Banning- Including the cities of Ontario, Big Bear Lake, Desert Hot Springs, Moreno Valley, Lake Arrowhead, Rancho Cucamonga, Riverside, Fontana, Crestline, San Bernardino, Banning, Wrightwood, Corona, Big Bear City, and Running Springs 529 AM PST Sun Dec 28 2025 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON... * WHAT...Northeast winds 15 to 30 mph with gusts up to 45 to 60 mph possible. * WHERE...San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Gorgonio Pass near Banning, and Santa Ana Mountains and Foothills. * WHEN...From this evening through Tuesday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. &&