Aug 11, 2021
A cluster of strong thunderstorms formed in northeast Missouri early in the morning, August 11th, 2021. These storms expanded and moved northeast into northern Illinois, with a swath of damaging winds, hail, and very heavy rainfall. Some flash flooding was reported in southeast Iowa. As the storms approached the Mississippi River, a large swath of strong winds developed behind the storms, resulting in sustained winds of 40 to 60 mph, and damage through the Quad Cities metro area. This type of e
Source: NOAA National Weather Service Storm Events Database (event 973376). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Des Moines County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.