May 26, 2010
Widely scattered thunderstorms developed during the afternoon of May 26th. Due to an extremely moist environment and weak steering winds aloft, the storms were slow-moving in nature and produced copious amounts of rainfall. Between 4 and 5 inches of rain fell in Springfield in about 90 minutes, causing widespread flash-flooding which impacted hundreds of homes, businesses, and autos. In addition, some of the other storms in central and east central Illinois produced large hail, damaging wind
Source: NOAA National Weather Service Storm Events Database (event 237557). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Sangamon County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.