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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 >

Rain quickly changes to snow behind a strong cold front tonight, bringing light snow accumulations to much of western and north central Nebraska. Strong northwest winds will lead to blowing snow, and reduced visibilities could lead to hazardous travel conditions.
A strong cold front will bring much colder temperatures for Sunday, with highs plummeting as low as 35 to 45 degrees below recent record warmth. These strong northwest winds will also bring wind chills falling well below zero, with the lowest wind chills Monday morning.