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Flash Flood — Stephenson, IL

Aug 7, 2022

Two rounds of showers and thunderstorms tracked from northeast Iowa into northern Illinois Sunday morning, and again early Monday morning, bringing torrential rain and occasional lightning to the region. Rainfall amounts over 2 inches were common northeast of a line from Cedar Rapids, to De Witt, to Prophetstown IL. The highest amounts between 5 and 11 inches fell in eastern Jo Daviess and Stephenson counties in northwest IL. This caused numerous road closures in the county and floodwaters im

Source: NOAA National Weather Service Storm Events Database (event 1052948). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Stephenson, IL

This event is one of many recorded floods in Stephenson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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