Residents across Northern Illinois may hear a few crashes of thunder Monday afternoon into the evening.
Strong to severe thunderstorms are expected to cross the region beginning at about 4 p.m., according to the National Weather Service in Chicago. While a severe risk exists for the Northern Illinois region, it is highest in the line between Rockford and Waukegan, the weather service said.
Damaging wind gusts of up to 60 mph are the primary threat of some of these storms. Large hail and a brief tornado also are possible with this system.
McHenry, Ogle, Lee, DeKalb, northern La Salle (north of Ottawa and La Salle-Peru), northern Grundy (including Morris), Kendall, Kane, Will, DuPage and Cook counties will have the strongest potential for severe weather.
Between 4 to 6 p.m., the greatest amount of rainfall will be in western Bureau, Lee, Ogle and Winnebago counties. As the storm system moves further west between 6 to 8 p.m., a chance for heavier precipitation will blanket the northeastern portion of Illinois, moving to eastern Bureau, McHenry, Kane, La Salle, DeKalb, Grundy, Kendall, Marshall, Livingston, Lake, DuPage, Cook and Will counties. Between 8 to 10 p.m., the will begin to taper off across the region, the National Weather Service reported.
Rain is predicted to stay in the forecast Tuesday morning as high temperatures will are predicted to dip into the 50s for most of the region.