May 1, 2009
Heavy rains during the last four days of April resulted in the La Moine River near Colmar going above the moderate flood stage level of 22 feet on May 1 around 9:30 am. It crested around 22.8 feet around 2 am May 2. It fell back below the moderate flood stage level around 1 am May 3.
Source: NOAA National Weather Service Storm Events Database (event 170175). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in McDonough County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.