Flood Warning Issued for Walworth County, Wisconsin Until 11:30 PM CDT
This alert is no longer in effect.
NOAA issued it on April 6, 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.
The National Weather Service has issued a Flood Warning for Walworth County as heavy rain from thunderstorms triggers imminent flooding across southeast Wisconsin.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southeast Wisconsin
- Issued
- April 6, 2026
- Issuing authority
- NWS Milwaukee Sullivan
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 Southeast Wisconsin.
Alert Details
The National Weather Service in Milwaukee/Sullivan has issued a Flood Warning for Walworth County in southeast Wisconsin. This alert replaces a previous flood advisory and is effective immediately following reports of heavy rainfall in the region.
Affected Areas
The warning covers Walworth County. Specific locations that will experience flooding include:
- Elkhorn
- Delavan
- Lake Geneva
- Williams Bay
- Walworth
- Fontana-On-Geneva Lake
- Darien
- Como
- Pell Lake
- Powers Lake
- Burlington
- Springfield
- Delavan Lake
What You Should Do
Residents and travelers in the warned area should take the following safety actions:
- Turn around, don't drown: Do not attempt to drive through flooded roads. Most flood deaths occur in vehicles.
- Avoid rivers, creeks, streams, and other low-lying or flood-prone locations where flooding is imminent or already occurring.
Expected Conditions
As of 9:22 PM CDT, Doppler radar indicated heavy rain resulting from thunderstorms. Between 1 and 2 inches of rain have already fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. This excessive rainfall is expected to cause flooding of local waterways and low-lying areas.
Timeline
The Flood Warning is in effect until 11:30 PM CDT on March 10, 2026. Conditions are being monitored by the NWS Milwaukee/Sullivan office.
Original source: NOAA Official Notice ↗
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