Jul 20, 2025
An outflow boundary interacting with a very moist airmass characterized by surface dewpoints in the middle to upper 70s triggered clusters of strong to severe thunderstorms across south-central Illinois during the afternoon and evening of July 20th. Scattered wind damage and flash flooding occurred...mainly south of a Shelbyville to Marshall line.
Source: NOAA National Weather Service Storm Events Database (event 1276272). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Christian County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.