If outdoors, consider seeking shelter inside a building.

At 557 PM CST, Doppler radar was tracking a strong thunderstorm over Minooka, moving northeast at 55 mph. HAZARD...Wind gusts of 50 to 55 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... Joliet, Bolingbrook, Romeoville, Plainfield, Lockport, New Lenox, Homer Glen, Mokena, Channahon, Minooka, Crest Hill, Shorewood, Ingalls Park, Preston Heights, Fairmont, Rockdale, Crystal Lawns, and Plattville.