Sep 3, 2018
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 786711). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Floyd County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.