Flood Warning Issued for Sangamon River at Monticello in Piatt County, IL
This alert is no longer in effect.
NOAA issued it on July 19, 2026, 5 weeks 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.
NWS Lincoln IL has issued a Flood Warning for the Sangamon River at Monticello affecting Piatt County from late tonight through Sunday afternoon.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Piatt County, Illinois
- Issued
- July 19, 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 5 weeks 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 June 17, 2026 at 8:56 PM CDT. Onset late tonight. Expires June 18 at 1:00 PM CDT. Ends June 21 at 5:00 PM CDT.
Affected Areas
Sangamon River at Monticello affecting Piatt County, 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 13.0 feet, flooding of agricultural areas begins. At 8:00 PM CDT Wednesday the stage was 12.4 feet. The river is expected to rise above flood stage just after midnight tonight to a crest of 13.8 feet Friday morning.
Timeline
From late tonight (onset June 18 at 2:30 AM CDT) to Sunday afternoon (ends June 21 at 5:00 PM CDT). Flood stage is 13.0 feet.
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 (883 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 19, 2026.
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