⚠️ Special Weather Statement – Rock; Walworth – Tuesday, August 11, 2026

Special Weather Statement issued August 11 at 2:57AM CDT by NWS Milwaukee/Sullivan WI

Details

At 257 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms over Clinton, or 10 miles west of Delavan, moving
southeast at 20 mph.

HAZARD…Wind gusts up to 50 mph and nickel size hail.

SOURCE…Radar indicated.

IMPACT…Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include…
Janesville, Beloit, Elkhorn, Delavan, Lake Geneva, Williams Bay,
Genoa City, Walworth, Clinton, Richmond, Fontana-On-Geneva Lake,
Sharon, Darien, Como, Pell Lake, Powers Lake, Bohners Lake,
Springfield, Tiffany, and Avalon.

This includes the following highways…
U.S. Highway 12 between mile markers 322 and 338.
Interstate 39/90 between mile markers 176 and 185.
Interstate 43 between mile markers 0 and 27.

Instructions

If outdoors, consider seeking shelter inside a building.

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