Weather Alerts For Chino Hills, CA

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service San Diego CA 117 AM PST Tue Dec 23 2025 San Bernardino and Riverside County Valleys-The Inland Empire-San Bernardino County Mountains-Riverside County Mountains-Santa Ana Mountains and Foothills-Apple and Lucerne Valleys-Coachella Valley-San Gorgonio Pass near Banning-Orange County Coastal Areas- Orange County Inland Areas- Including the cities of Palm Desert, Orange, Lake Arrowhead, Idyllwild-Pine Cove, Riverside, San Bernardino, Santa Ana, La Quinta, Wrightwood, Hesperia, Huntington Beach, Apple Valley, Corona, Big Bear City, Cathedral City, Laguna Beach, Anaheim, Irvine, Indio, San Clemente, Garden Grove, Costa Mesa, Fullerton, Fontana, Coachella, Mission Viejo, Palm Desert Country, Ontario, Moreno Valley, Big Bear Lake, Crestline, Palm Springs, Rancho Cucamonga, Lucerne Valley, Newport Beach, Victorville, and Running Springs 117 AM PST Tue Dec 23 2025 ...FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Apple and Lucerne Valleys, Coachella Valley, Orange County Coastal Areas, Orange County Inland Areas, Riverside County Mountains, 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 late this evening through Wednesday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - An Atmospheric River will bring widespread moderate to heavy rain to the region late tonight through Wednesday. Showers could begin to develop as early as this afternoon, especially in the San Bernardino County mountains. The heaviest and most widespread rain is expected Wednesday morning through evening. Peak rainfall rates of 0.50 to 1 inch per hour are expected. There is a potential for locally heavier hourly rainfall rates to develop with convection embedded in the main rain band or in thunderstorms after the main band passes. Scattered locally heavy showers could continue into Thursday but impacts from any additional rain are expected to be more localized. Snow levels are expected to remain above 8000 feet during period of heaviest precipitation bringing a heightened risk of mud slides, debris flow, and areas of flash flooding in the San Bernardino county mountains. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Be alert in the mountains for rockslides and rocks in the road. &&

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 637 PM PST Mon Dec 22 2025 San Diego County Coastal Areas-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Santa Ana Mountains and Foothills-Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Huntington Beach, Corona, San Diego, Ontario, Poway, Oceanside, Irvine, Garden Grove, Anaheim, El Cajon, Mission Viejo, Rancho Cucamonga, Fontana, San Marcos, Carlsbad, Moreno Valley, Santee, National City, Santa Ana, Riverside, San Bernardino, Orange, Costa Mesa, Chula Vista, Fullerton, La Mesa, Vista, Escondido, and Encinitas 637 PM PST Mon Dec 22 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 PM PST WEDNESDAY... * WHAT...South winds 15 to 25 mph with gusts 30 to 40 mph expected. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 3 AM to 10 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds for Orange County and the Inland Empire will be in the morning to early afternoon. Strongest winds for San Diego county will be mid to late morning into the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. &&