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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 >

Overview

A significant October storm system brought soaking rains to southern and western portions of South Dakota, and parts of northeastern Wyoming. Light accumulations of snow were observed across the higher elevations of the Black Hills. Some minor flooding of the White River occurred across Jackson County near and downstream from Interior.

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Estimated precipitation amounts from Thursday morning through Friday noon.
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