WWUS83 KMKX 181043 SPSMKX Special Weather Statement National Weather Service Milwaukee/Sullivan WI 543 AM CDT Mon May 18 2026 WIZ069-070-181130- Walworth WI-Rock WI- 543 AM CDT Mon May 18 2026 ...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN WALWORTH AND EASTERN ROCK COUNTIES THROUGH 630 AM CDT... At 542 AM CDT, Doppler radar was tracking a strong thunderstorm near Clinton, or 8 miles east of Beloit, moving northeast at 50 mph. HAZARD...Wind gusts up to 40 mph and penny 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... Beloit, Whitewater, Elkhorn, Delavan, East Troy, Clinton, Sharon, Darien, Richmond, La Grange, Tiffany, Abells Corners, Allens Grove, Tibbets, Millard, Avalon, Shopiere, Emerald Grove, Johnstown Center, and Foxhollow. This includes the following highways... U.S. Highway 12 between mile markers 320 and 324. Interstate 39/90 between mile markers 180 and 187. Interstate 43 between mile markers 0 and 37. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && LAT...LON 4250 8902 4284 8889 4284 8853 4275 8833 4249 8872 TIME...MOT...LOC 1042Z 215DEG 42KT 4251 8887 MAX HAIL SIZE...0.75 IN MAX WIND GUST...40 MPH $$ WOOD