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Excessive Heat Warning

Severe thunderstorms to march across north-central US through Wednesday

By Brett Rathbun, AccuWeather meteorologist
July 10, 2019, 3:44:27 AM EDT

The threat for damaging storms is shifting eastward over the north-central United States through midweek.

A storm system marching eastward across the northern tier of the country will be responsible for the severe weather as it taps into a warm and humid air mass.

"Damaging wind gusts, large hail, torrential downpours and even a couple of tornadoes will be possible on Wednesday," according to AccuWeather Meteorologist Brandon Buckingham.

The midweek threat will orient from the upper Great Lakes into the Missouri Valley.

Thunderstorms are expected to form along a line from the western half of the Upper Peninsula of Michigan to southwestern Missouri, during the afternoon hours and shift eastward during the evening and overnight.

Wed severe central 7.10 AM

The Wednesday afternoon commute in Detroit could stay dry as storms are likely to arrive closer to sunset.

Columbia, Missouri; South Bend and Indianapolis, Indiana; and Grand Rapids, Michigan, are just some of the other metro locations at risk for these storms.

"With Lake Michigan warming up, thunderstorms can hold on to their intensity when passing over the lake and bring a damaging wind threat to Lower Michigan Wednesday evening," Buckingham said.

Travel will become difficult across portions of interstates 55, 75, 80, 90 and 94 during the afternoon and evening hours.

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Anyone outdoors when severe weather strikes should find the nearest shelter to take cover. No open area outdoors is safe during a thunderstorm.

Download the AccuWeather app to monitor when severe weather will approach your area.

A dry and less humid air mass will arrive the day after the threat for severe weather ends. However, the hot and humid air will return by the end of the week. Luckily, the threat for any widespread severe weather late this week across the North Central states is low.

As this storm shifts eastward on Thursday, the threat for a few strong-to-severe thunderstorms could impact parts of the Appalachians and Northeast.

Keep checking back for updates on and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.

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