Flash Flood Warning Issued for Northeastern Wisconsin Counties
This alert is no longer in effect.
NOAA issued it on April 14, 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 Flash Flood Warning is in effect for Brown, Door, Kewaunee, Oconto, and Outagamie counties in northeastern Wisconsin until 4:00 AM CDT on April 14, 2026, due to heavy rain from thunderstorms.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Northeastern Wisconsin
- Issued
- April 14, 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 Northeastern Wisconsin.
Alert Details
The National Weather Service in Green Bay has issued a Flash Flood Warning, effective from April 13, 2026, at 10:01 PM CDT until April 14, 2026, at 4:00 AM CDT.
Affected Areas
The warning affects Brown County, Door County, Kewaunee County, Oconto County, and Outagamie County in northeastern Wisconsin. Specific locations include Green Bay, Sturgeon Bay, Bay Shore Park, Pulaski, Algoma, Luxemburg, Bellevue, Oneida, De Pere, Howard, Ashwaubenon, Allouez, Suamico, Hobart, Little Suamico, Chase, Abrams, Pensaukee, Humboldt, and Brussels.
What You Should Do
Turn around, don't drown when encountering flooded roads. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen, with additional rainfall amounts of 0.5 to 1.5 inches possible. Flash flooding is caused by thunderstorms and may affect small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.
Timeline
The alert is effective from April 13, 2026, at 10:01 PM CDT and ends on April 14, 2026, at 4:00 AM CDT.
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 (1,298 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 14, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.