Flood Warning Issued for Piatt County, IL
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A Flood Warning is in effect for the Sangamon River at Monticello in Piatt County until August 23 at 1:00AM CDT.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Piatt County, Illinois
- Issued
- August 22, 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 22 at 10:11AM CDT until August 23 at 1:00AM CDT. Severity: Severe. Certainty: Observed. Urgency: Immediate.
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 10:00 AM CDT Saturday the stage was 13.4 feet. Flood stage is 13.0 feet. The maximum river stage in the 24 hours ending at 10:00 AM CDT Saturday was 15.0 feet.
Timeline
Alert effective August 22 at 10:11AM CDT. Expires August 22 at 10:15PM CDT. Ends August 23 at 1:00AM CDT. River expected to fall below flood stage this evening.
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 (894 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 22, 2026.
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