If outdoors, consider seeking shelter inside a building.

At 242 PM CDT, Doppler radar was tracking a strong thunderstorm over Stoughton, moving east at 25 mph. HAZARD...Wind gusts up to 40 mph and half inch 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... Eastern Madison, Stoughton, Fort Atkinson, Jefferson, McFarland, Lake Mills, Edgerton, Deerfield, Cambridge, Lake Ripley, Lake Koshkonong, Albion, Utica, Rockdale, and Busseyville. This includes the following highways... U.S. Highway 12 between mile markers 269 and 273. Interstate 39/90 between mile markers 142 and 162. Wisconsin Highway 26 between mile markers 13 and 29.