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Flash Flood — Waukesha, WI

Aug 3, 2004

Clusters of severe thunderstorms moved southeast through south-central and southeast Wisconsin, resulting in damaging straight line winds that toppled large trees, very large damaging hail, and heavy rains that led to flash flooding. Columbia County suffered the most damage thanks to hurricane-force thunderstorm winds coupled with large hail stones of 1 to 3 inches in diameter. The wind-driven hail damaged at least 100 homes and several businesses and churches in Fall River (Columbia Co.). Th

Source: NOAA National Weather Service Storm Events Database (event 5417902). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Waukesha, WI

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

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