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 >

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On the whole, January finished a bit milder than average, and with less precipitation and snow as well (exception across being across south central South Dakota). Find details at select locations in the graphics below.

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

January 2023 In Review