Flash Flood Warning Issued for Southern Lafayette County, Wisconsin
This alert is no longer in effect.
NOAA issued it on April 17, 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 Southern Lafayette County in south central Wisconsin until 6:30 PM CDT on April 17, 2026, due to heavy rain from thunderstorms causing potential flash flooding in areas like Shullsburg and Benton.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southern Lafayette County, Wisconsin
- Issued
- April 17, 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 4 months ago; use the issuing agency's live warning service for current conditions in Southern Lafayette County, Wisconsin.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service (NWS) Milwaukee/Sullivan WI. This alert is effective from 4:00 PM CDT until 6:30 PM CDT on April 17, 2026.
Affected Areas
The warning affects Southern Lafayette County in south central Wisconsin, including specific locations such as Shullsburg, Benton, New Diggings, Gratiot, and Lead Mine.
What You Should Do
Residents should turn around and not drive through flooded roads, as most flood deaths occur in vehicles. Be aware of surroundings, avoid driving on flooded roads, and in hilly terrain, do not attempt to cross low water crossings; instead, find an alternate route.
Expected Conditions
Thunderstorms are producing heavy rain, with 1.5 to 2 inches already fallen and additional rainfall of 0.5 to 1 inch possible. The rainfall rate is expected to be 0.5 to 1.5 inches in 1 hour, leading to flash flooding of small creeks, streams, urban areas, highways, streets, underpasses, and low-lying areas.
Timeline
The alert is effective from 4:00 PM CDT on April 17, 2026, and will expire at 6:30 PM CDT on the same day.
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 (1,118 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 17, 2026.
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