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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 complex of showers and thunderstorms moving from northeast Iowa to northwest Illinois produced severe weather on the evening of August 5th. Strong winds were reported with damage to trees in Independence, Monticello, Dubuque, Elizabeth, IL, and Freeport.

Rain continued over areas along highway 20 throughout the evening, with rainfall totals between 2 and 5 inches common by Monday morning. 

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Weather Prediction Center Pressure / Fronts
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