Flood Warning Issued for Illinois River in Bureau, La Salle, Putnam Counties
This alert is no longer in effect.
NOAA issued it on August 15, 2026, 8 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.
NWS Chicago has issued a Flood Warning for the Illinois River at La Salle affecting Bureau, La Salle, and Putnam Counties in Illinois, with minor flooding forecast from Saturday morning until further notice.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Northern Illinois
- Issued
- August 15, 2026
- Issuing authority
- NWS Chicago 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 8 days ago; use the issuing agency's live warning service for current conditions in Northern Illinois.
Alert Details
A Flood Warning has been issued by the National Weather Service Chicago IL. The alert is effective from Saturday morning until further notice.
Affected Areas
The warning covers Bureau, La Salle, and Putnam Counties in Illinois, specifically the Illinois River from Starved Rock Lock and Dam downstream to the confluence with Big Bureau Creek, including the La Salle gauge.
What You Should Do
A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property.
Expected Conditions
Minor flooding is forecast. At 9:45 PM CDT Friday the stage was 18.4 feet. The river is expected to rise above the 20.0-foot flood stage. At 28.0 feet, Dee Bennet Road is threatened between Ottawa and Utica.
Timeline
The alert was sent August 14 at 10:15 PM CDT and is effective from Saturday morning (onset 8:00 AM CDT) until further notice. The river is expected to remain in flood through next week.
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 (1,058 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 15, 2026.
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