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Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Overview

Widespread heavy rain fell from the end of August through early September across the region. Rainfall totals approached 8 inches across portions of eastern IA and northwest IL, with locally heavier amounts due to thunderstorms. This water fell across already saturated soils, and eventually found its way into area rivers and tributaries. This led to significant rises of river levels, and eventually minor to major flooding. The Wapsipinicon, Rock, English, Skunk, Iowa, Cedar, Pecatonica and Mississippi Rivers were all affected.

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Cedar River at I-80 (Iowa Flood Center Survey)
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