Flood Warning Issued for Green County, Wisconsin
This alert is no longer in effect.
NOAA issued it on April 26, 2026, 3 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 Green County, Wisconsin, due to expected minor flooding on the Pecatonica River from Saturday morning to early Tuesday morning.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Green County, Wisconsin
- Issued
- April 26, 2026
- Issuing authority
- NWS Milwaukee/Sullivan 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 3 months ago; use the issuing agency's live warning service for current conditions in Green County, Wisconsin.
Alert Details
A Flood Warning has been issued by the National Weather Service (NWS) Milwaukee/Sullivan WI. It is effective from April 17, 2026, at 10:12 PM CDT.
Affected Areas
The warning affects Green County in Wisconsin, specifically the Pecatonica River at Martintown and upstream in Browntown.
What You Should Do
Turn around and do not drive through flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Minor flooding is forecast. The river stage is currently at 13.0 feet, with bankfull stage at 9.5 feet and flood stage at 13.5 feet. The river is expected to rise to a crest of 13.9 feet early Sunday morning.
Timeline
The alert has an onset of April 18, 2026, at 7:00 AM CDT, expires on April 18, 2026, at 10:15 AM CDT, and ends on April 21, 2026, at 4:00 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 (808 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 26, 2026.
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Common questions about this NWS weather alert.