Flash Flood Warning Issued for Green and Lafayette Counties, Wisconsin
This alert is no longer in effect.
NOAA issued it on April 25, 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 Green and Lafayette Counties in Wisconsin until 8:15 PM CDT, with heavy rain from thunderstorms causing potential flash flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southern Wisconsin
- Issued
- April 25, 2026
- Issuing authority
- NWS National Office
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 Southern Wisconsin.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service (NWS) Milwaukee/Sullivan WI. It is effective from 5:15 PM CDT on April 17, 2026, until 8:15 PM CDT on the same day.
Affected Areas
The warning affects Southern Green County and Southeastern Lafayette County in south central Wisconsin. Specific locations include Monroe, Brodhead, Albany, South Wayne, Browntown, Jordan Center, Juda, and Woodford.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Thunderstorms are producing heavy rain, with 1 to 1.5 inches already fallen and additional rainfall amounts of 0.5 to 1 inch possible. This will cause flash flooding in small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.
Timeline
The alert is effective from 5:15 PM CDT on April 17, 2026, and expires at 8:15 PM CDT on April 17, 2026.
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 (982 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 25, 2026.
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Common questions about this NWS weather alert.