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Flash Flood — Clayton, IA

Sep 3, 2018

Flood Cause
Heavy Rain

Thunderstorms with heavy rain moved across portions of northeast Iowa during the evening of September 3rd. Rainfall amounts of 1.5 to 4 inches produced some flash flooding across Allamakee and Clayton Counties. High water was reported in and around Dorchester (Allamakee County) and a mudslide occurred north of Marquette (Clayton County).

Source: NOAA National Weather Service Storm Events Database (event 781415). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Clayton, IA

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

View Clayton County flood data →

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