May 20, 2025
A warm front lifted slowly northward through central Illinois during the afternoon of May 20th. A few showers developed in the vicinity of the boundary...with one of the cells producing a brief EF-0 tornado near Oakland in northeastern Coles County. Meanwhile further west, scattered supercell thunderstorms formed in the warm sector ahead of a cold front crossing the Mississippi River. Some of the storms dropped hail as large as tennis balls (2.5 in diameter) across portions of Morgan County a
Source: NOAA National Weather Service Storm Events Database (event 1251566). 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.