National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

Another mild day Saturday with increasing clouds through the day. An approaching cold front will bring rain quickly changing to light snow late Saturday into early Sunday morning. Winds will turn northwesterly and become gusty, with gusts up to 50-55 mph possible overnight through Sunday afternoon. Wind chills will plummet to 10 to 25 below zero Sunday morning.