⚠️ Severe Thunderstorm Warning – Rock, WI; Walworth, WI – Tuesday, August 11, 2026

Severe Thunderstorm Warning issued August 11 at 3:02AM CDT until August 11 at 3:30AM 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…
Southwestern Walworth County in southeastern Wisconsin…
Southeastern Rock County in south central Wisconsin…

* Until 330 AM CDT.

* At 302 AM CDT, a severe thunderstorm was located over Clinton, or
10 miles east of Beloit, moving southeast at 25 mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include…
Delavan, Williams Bay, Walworth, Clinton, Fontana-On-Geneva Lake,
Sharon, Darien, Tiffany, Allens Grove, Avalon, Shopiere, Emerald
Grove, Foxhollow, and Delavan Lake.

Instructions

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

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