⚠️ Severe Thunderstorm Warning – Rock, WI; Walworth, WI – Wednesday, June 17, 2026

Severe Thunderstorm Warning issued June 17 at 7:32PM CDT until June 17 at 8:45PM CDT by NWS Milwaukee/Sullivan WI

Details

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The National Weather Service in Milwaukee/Sullivan has issued a

* Severe Thunderstorm Warning for…
Walworth County in southeastern Wisconsin…
Rock County in south central Wisconsin…

* Until 845 PM CDT.

* At 732 PM CDT, severe thunderstorms were located along a line
extending from near Lake Koshkonong to near Edgerton to near
Albany, moving east at 80 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Janesville, Beloit, Whitewater, Elkhorn, Delavan, Lake Geneva,
Milton, Edgerton, Evansville, East Troy, Williams Bay, Genoa City,
Walworth, Clinton, Fontana-On-Geneva Lake, Sharon, Darien, Como,
Pell Lake, and Potter Lake.

Instructions

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 900 PM CDT for south central
and southeastern Wisconsin.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.