Flood Warning Issued for Walworth County, Wisconsin Until 11:30 PM CDT

Weather Alerts high NOAA · · Southeast Wisconsin

The National Weather Service has issued a Flood Warning for Walworth County as heavy rain from thunderstorms triggers imminent flooding across 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.

Source: NOAA Official Notice

Frequently Asked Questions

What is this weather alerts alert about?
The National Weather Service has issued a Flood Warning for Walworth County as heavy rain from thunderstorms triggers imminent flooding across southeast Wisconsin.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeast Wisconsin. Check with NOAA for the most current geographic scope.
Where can I find more weather alerts alerts?
Browse all weather alerts alerts on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.