By Becky Elliott, AccuWeather.com Meteorologist
June 21,2015; 9:43PM,EDT
The first official few days of the summer season will start off with a bang in the form of severe storms for parts of the Upper Midwest and Great Lakes region.
A strong upper-level disturbance looks to move east through the northern Plains today and into the Great Lakes Monday, sending a surface cold front through the region. Very warm temperatures are expected out ahead of the front, along with a very moist air mass.
As the colder air ushered in by the front clashes with the warm and moist air already in place over the region, storms will ignite in the late afternoon and evening hours.
Storms look to come in a one-two punch starting late tonight and continuing into Monday.
According to AccuWeather Storm Warning Meteorologist Eddie Walker, "Scattered severe storms will develop Sunday afternoon and evening across the Dakotas as well as portions of the Mississippi Valley and Midwest."
Storms east of the Mississippi River will diminish overnight, but the storms in the northern Plains will have the strength to continue overnight, eventually expanding into the Upper Midwest.
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"Storms that develop across these areas will be capable of producing damaging wind gusts, large hail and flooding rains," added Walker.
A second round of thunderstorms will erupt once again late in the day on Monday, from Minneapolis to Milwaukee.
These storms are likely to pack a punch and be capable of producing damaging wind gusts, large hail and even an isolated tornado.
Storms will push east across Michigan through the evening hours, reaching the Detroit area after dark.
The atmosphere is packed full of moisture, so these storms can be expected to produce an inch or two of rain in a short amount of time as they move overhead. Stay alert for flash flooding and don't attempt to drive on a road that is covered in water.
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