Jul 27, 2020
Isolated small clusters of thunderstorms formed during the heat of the afternoon. A 500 mb trough digging southeast across the Great Lakes region forced a cold front southeastward into southern Illinois by evening. The storms ahead of this front produced locally heavy rain and isolated flooding.
Source: NOAA National Weather Service Storm Events Database (event 905608). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Perry County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.