Flood Warning Issued for Mackinaw River Near Congerville
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NWS Lincoln IL has issued a Flood Warning for the Mackinaw River near Congerville affecting McLean, Tazewell and Woodford Counties until this evening.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Central Illinois
- Issued
- August 17, 2026
- Issuing authority
- NWS Lincoln IL
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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Flood Warning issued by NWS Lincoln IL. Effective from August 17 at 2:57AM CDT until August 17 at 7:57PM CDT.
Affected Areas
Mackinaw River near Congerville affecting McLean, Tazewell and Woodford Counties in Illinois.
What You Should Do
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation.
Expected Conditions
Minor flooding is forecast. At 1:45 AM CDT the stage was 12.6 feet. The river is expected to rise to 13.9 feet this morning, then fall below flood stage this afternoon. Flood stage is 13.0 feet. At 13.0 feet, widespread agricultural flooding occurs.
Timeline
Onset at 3:20AM CDT August 17. Effective until 7:57PM CDT August 17.
Original source: NOAA Official Notice ↗
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