Jun 21, 2010
With daytime heating, showers and thunderstorms developed and raced east across eastern Iowa and northern Illinois during the late afternoon and evening of June 21. Some were severe producing large hail and damaging winds. In addition, torrential rains lead to some flash flooding and some funnel clouds were also spotted.
Source: NOAA National Weather Service Storm Events Database (event 244932). 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.