Flood Warning Issued for Winnebago County, Wisconsin
This alert is no longer in effect.
NOAA issued it on April 22, 2026, 4 months 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 Winnebago County, Wisconsin, due to minor flooding on the Fox River at Lake Winnebago, with water levels at flood stage.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Winnebago County, Wisconsin
- Issued
- April 22, 2026
- Issuing authority
- NWS Green Bay WI
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 4 months ago; use the issuing agency's live warning service for current conditions in Winnebago County, Wisconsin.
Alert Details
A Flood Warning has been issued by the National Weather Service (NWS) Green Bay WI. It is effective from 6:53 AM CDT on April 22, 2026.
Affected Areas
The warning affects Winnebago County, Wisconsin, specifically the Fox River at Lake Winnebago at Oshkosh.
What You Should Do
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov.
Expected Conditions
Minor flooding is occurring, with water levels at 3.7 feet, which is flood stage. This is causing minor flooding to boat docks and backyards of homes in the area along the western shore of Lake Winnebago, with water reaching homes during periods of strong onshore winds.
Timeline
The alert is effective from 6:53 AM CDT on April 22, 2026, and expires at 10:00 PM CDT on the same day. It remains in effect until further notice.
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 (904 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 22, 2026.
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