Jul 16, 2021
A slow-moving cold front interacting with a moist environment triggered bands of showers with a few embedded thunderstorms across central Illinois during the morning of July 16th. One persistent band continued to back-build over portions of southern McLean County for several hours, dropping 6 to 8 inches of rain. Due to the excessive rainfall occurring on already saturated soils, flash flooding prompted the closure of numerous roads between Heyworth, Downs, and Leroy. Many roads remained floo
Source: NOAA National Weather Service Storm Events Database (event 966297). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in McLean County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.