Flood Warning for Piatt County, Illinois
This alert is no longer in effect.
NOAA issued it on August 21, 2026, 2 days 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 Flood Warning is in effect for the Sangamon River at Monticello in Piatt County until Sunday afternoon, with minor flooding occurring.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Piatt County, Illinois
- Issued
- August 21, 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: historical. It was issued 2 days ago; use the issuing agency's live warning service for current conditions in Piatt County, Illinois.
Alert Details
Flood Warning issued by NWS Lincoln IL. Effective from August 21 at 9:14AM CDT, expires August 21 at 9:15PM CDT, ends August 23 at 1:00PM CDT.
Affected Areas
Piatt County, Illinois. Sangamon River at Monticello.
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 occurring and minor flooding is forecast. At 9:00 AM CDT Friday the stage was 15.1 feet. Flood stage is 13.0 feet. The maximum river stage in the 24 hours ending at 9:00 AM CDT Friday was 15.7 feet.
Timeline
Until Sunday afternoon. The river is expected to fall below flood stage Sunday morning and continue falling to 9.5 feet Friday, August 28.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (834 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 21, 2026.
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