Flash Flood Warning Issued for Fayette and Montgomery Counties in Illinois
This alert is no longer in effect.
NOAA issued it on May 7, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flash Flood Warning is in effect for Fayette and Montgomery counties in south central Illinois until 4:00 PM CDT, with heavy rain causing potential flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- South Central Illinois
- Issued
- May 7, 2026
- Issuing authority
- NWS St Louis MO
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in South Central Illinois.
Flash Flood Warning in Illinois
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in St Louis, MO. It is effective from 1:07 PM CDT on April 27, 2026, until 4:00 PM CDT.
Affected Areas
The warning affects Northern Fayette County and Southeastern Montgomery County in south central Illinois. Specific locations include Vandalia, Nokomis, St. Elmo, Ramsey, Witt, Brownstown, Wrights Corner, Avena, Irving, Shafter, Fillmore, Coalton, Ohlman, Bingham, Wenonah, Bayle City, and Chapman. This also includes Ramsey Lake State Park and Interstate 70 in Illinois between exits 61 and 76.
What You Should Do
Turn around and do not drive through flooded roads. Report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when it is safe to do so.
Expected Conditions
Doppler radar indicates thunderstorms producing heavy rain. Between 1 and 3 inches of rain have fallen, with additional rainfall amounts of 1 to 2 inches possible, leading to flash flooding caused by thunderstorms. This may impact small creeks, streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.
Timeline
The alert is effective from 1:07 PM CDT on April 27, 2026, and will expire at 4:00 PM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,355 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 7, 2026.
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