Flash Flood Warning Issued for Marathon and Other 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This alert is no longer in effect.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 Marathon, Outagamie, Portage, Shawano, and Waupaca counties in Wisconsin until 2:00 AM CDT on April 14, 2026, due to heavy rainfall causing life-threatening flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Central and 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 Central and Northeastern Wisconsin.
Flash Flood Warning in Wisconsin
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Green Bay, WI. It is effective from April 13, 2026, at 8:06 PM CDT until April 14, 2026, at 2:00 AM CDT.
Affected Areas
The warning affects Marathon County, Outagamie County, Portage County, Shawano County, and Waupaca County in Wisconsin. Specific locations include Stevens Point, Shawano, Clintonville, Mosinee, Pulaski, Whiting, Bevent, Wittenberg, Embarrass, Navarino Wildlife Area, Plover, Seymour, Stockton, Knowlton, Belle Plaine, Angelica, and Bonduel.
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
Thunderstorms are producing heavy rain, with 2 to 3 inches already fallen and an additional 1 to 2 inches possible. This will result in life-threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses.
Timeline
The alert is effective from April 13, 2026, at 8:06 PM CDT and ends on April 14, 2026, at 2:00 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 (1,204 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.