Flash Flood Emergency declared in Fayette County, Illinois after 130–150 mm (5–6 inches) of rain
A Flash Flood Emergency was issued for central Fayette County, Illinois between 23:08 local time (LT) on July 20, 2025, and 02:15 LT on July 21, after 130–150 mm (5–6 inches) of rain.
Image credit: Chris Pritchett
The National Weather Service (NWS) office in St. Louis declared a Flash Flood Emergency for central Fayette County, Illinois between 23:08 LT on July 20 and 02:15 LT on July 21.
The warning was issued following intense thunderstorms that produced 130–150 mm (5–6 inches) of rain, resulting in severe flash flooding and a “particularly dangerous situation” across multiple communities.
According to NWS reports, significant rainfall occurred over a short duration, particularly impacting Brownstown, Vandalia, St. Elmo, Ramsey, Avena, and Hagarstown, where low-lying roads, underpasses, and drainage systems were quickly overwhelmed. Law enforcement confirmed widespread roadway flooding, with multiple highways, including Interstate 70 near Exit 76, rendered impassable.
Radar estimates and ground reports indicated rapid rainfall rates and confirmed life-threatening flooding, leading the NWS to classify the event as a Flash Flood Emergency, the most severe flood alert designation issued by the agency. Residents were urged to seek higher ground immediately and avoid all travel until conditions improved.
The Weather Prediction Center (WPC) had previously placed parts of the Midwest, including central Illinois, under a Level 3 (Enhanced Risk) for excessive rainfall on July 20, with rainfall rates locally exceeding 75–100 mm (3–4 inches) per hour. These rates were observed across multiple storm cells, especially in central and southern Illinois.
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