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 >

The forecast area will be dry through tonight under a ridge of high pressure. On Thanksgiving Day a storm system will move into the area from the west and is expected to bring significant snowfall to the mountains. Snowfall will begin around midday Thursday and is expected to continue into Friday morning with total accumulations of 3 to 6 inches in the high country of western Colorado. Another winter weather system is then expected to move into the area Friday evening and continue through Saturday with additional snowfall totals of 5 to 12 inches possible by Saturday evening in the higher mountain elevations of northwest and west-central Colorado. Drier weather will return to the area on Sunday.

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

Expect Snow Across the Mountains on Thanksgiving through Saturday