Flood Warning issued for Kishwaukee River in Winnebago County, IL
This alert is no longer in effect.
NOAA issued it on July 8, 2026, 6 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 Chicago has issued a Flood Warning for the Kishwaukee River near Perryville affecting Winnebago County until just after midnight tonight.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Winnebago County, Illinois
- Issued
- July 8, 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 6 weeks ago; use the issuing agency's live warning service for current conditions in Winnebago County, Illinois.
Alert Details
A Flood Warning has been issued by NWS Chicago IL for the Kishwaukee River. The alert was sent at 10:57 AM CDT on June 12, 2026, effective immediately, with onset at 12:35 PM CDT.
Affected Areas
Winnebago County, Illinois. The Kishwaukee River from the confluence with South Branch Kishwaukee River downstream to the Rock River, including the Perryville gauge.
What You Should Do
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 12.0 feet, water overtops low-lying banks in Blackhawk Springs Forest Preserve and in south Rockford near Chicago Rockford International Airport. Trails threatened at Blackhawk Springs Forest Preserve. At 10:30 AM CDT the stage was 11.5 feet. The river is expected to crest near flood stage this afternoon. Flood stage is 12.0 feet.
Timeline
The warning is in effect until just after midnight tonight, June 13, 2026 at 1:00 AM CDT.
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 (1,011 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 8, 2026.
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