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Fox News Weather Center

Severe Weather to Invade Midwest on Sunday

A disturbance will swing across the Midwest and fire a round of severe thunderstorms to end the weekend.

According to AccuWeather Meteorologist Michael Doll, "Thunderstorms will become severe by late afternoon from southern Ontario to Iowa and move east and southeast into the overnight."

Cities in the warned area include Davenport, Iowa; Madison, Milwaukee and Green Bay, Wisconsin, Grand Rapids and Detroit, Michigan; Chicago and Rockford, Illinois, South Bend and Fort Wayne, Indiana; and London and Toronto, Ontario.

Breaking: Feisty Storms Firing Up in the Upper Midwest

According to AccuWeather Meteorologist Edward Vallee, "The biggest threat with these dangerous storms will be blinding, torrential rain, strong, damaging winds and even an isolated tornado."

"Vivid cloud-to-ground lightning will also be a hazard to outdoor activities," he added.

"Severe storms could impact the Lollapalooza Music Festival in Chicago during the evening hours," Doll said.

Those heading to afternoon baseball games in Milwaukee and Chicago may have to take extra caution when leaving the stadium as thunderstorms will be approaching during the late afternoon and early evening hours.

Traffic may be slow and dangerous at times across interstates 43, 69, 75, 80, 90, and 94.

Be sure to use AccuWeather Minutecast® to stay informed on when storms will arrive in your area.

According to AccuWeather Meteorologist Josh Searles, "The severe weather threat will gradually diminish during the late evening and overnight hours on Sunday."

Thunderstorms are expected to weaken below severe limits prior to approaching cities such as Indianapolis; Columbus and Cleveland, Ohio; and Buffalo, New York.

Drier conditions and a shot of cooler air will build in for the beginning of the workweek. High temperatures across northern Minnesota and the Upper Peninsula of Michigan may not get out of the 60s.