Reports: Severe thunderstorms cause flooding, tornadoes across the midwestern US
As of 6:30 a.m. CDT Monday, this reports story will no longer be updated.
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Storms will develop northwest of Minneapolis and will move southeast toward Chicago. These storms can produce wind gusts to 70 mph, large hail and a few isolated tornadoes.
"After midnight tonight, these storms will move into Wisconsin, eastern Iowa and northern Illinois. By this time, wind gusts up to 70 mph and flooding rains will be the main threat," Alyson Hoegg, AccuWeather Meteorologist said.
The renewed threat of damaging winds and flash flooding will put the cities of Minneapolis; Cedar Rapids, Iowa; Madison, Wisconsin; and Chicago at risk of slower travel on the roads and delays in the air.
Thunderstorms will congregate and gain strength along the dividing line between steamy air to the south and dry, cool air to the north.
<img src="http://sirocco.accuweather.com/nx_mosaic_640x480_public/sir/inmasirNC.gif">
For more information on the severe storms, click here.
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Major flooding reported to the 911 call center in Kenosha County, Wisconsin, at 4:00 a.m. CDT Monday. The water spans a ten-block area; some parts have water as high as car windows. The local fire department has reportedly shut off the water and gas to surrounding buildings as water flows indoors.
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<blockquote class="twitter-video" data-lang="en"><p lang="en" dir="ltr">Insane video of cars stranded & people wading thru <a href="https://twitter.com/hashtag/flood?src=hash">#flood</a> waters at Midvale & University Ave. in Madison! <a href="https://twitter.com/hashtag/wiwx?src=hash">#wiwx</a> <a href="https://t.co/RcDmyGIy6T">pic.twitter.com/RcDmyGIy6T</a></p>— Max Tsaparis (@MaxTsaparis) <a href="https://twitter.com/MaxTsaparis/status/884314179913560064">July 10, 2017</a></blockquote>
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According to a 911 call center, as of 1:15 a.m. CDT Monday, two vehicles were stranded in flooding rain in Dane County, Wisconsin.
Reports have come in of at least eight disabled cars around Madison, Wisconsin, due to flash flooding.
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<blockquote class="twitter-video" data-lang="en"><p lang="en" dir="ltr">Very strong wind, heavy rain, and lightning tonight in Madison, WI <a href="https://twitter.com/weatherchannel">@weatherchannel</a> <a href="https://twitter.com/NWS">@NWS</a> <a href="https://twitter.com/fox47madison">@fox47madison</a> <a href="https://t.co/khdtIR0tIv">pic.twitter.com/khdtIR0tIv</a></p>— Tawsif Anam (@TawsifAnam) <a href="https://twitter.com/TawsifAnam/status/884286514980630528">July 10, 2017</a></blockquote>
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A flash flood warning has been issued for Madison, Sun Prairie and Fitchburg, Wisconsin, until 5:30 a.m. CDT Monday.
Severe storms will continue to push southward through the Midwest into this morning.
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Severe storms that swept across the Upper Midwest Sunday evening damaged a roof in Waterville, Minnesota on July 9, 2017. (Photo/Twitter/@JoeShekleton)
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As of 11:10 p.m. CDT Monday, law enforcement in Blue Earth County, Minnesota, reported trees and power lines down as a result of thunderstorm damage.
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Several reports of potential tornadoes have filed in as of 10:45 p.m. CDT Sunday. A trained spotter reported a tornado 2 miles northwest of Lake Crystal, Minnesota.

A tornado was spotted northwest of Lake Crystal, Minnesota, late Sunday night, July 9, 2017. (Photo/Twitter/@DerekjT1003)
Law enforcement reported a tornado near the intersection of CR 20 and Highway 68 in Judson, Minnesota.
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<blockquote class="twitter-video" data-lang="en"><p lang="en" dir="ltr">Beautiful light show from the backside of the Scott/Dakota County storms. <a href="https://twitter.com/hashtag/mnwx?src=hash">#mnwx</a> <a href="https://twitter.com/NWSTwinCities">@NWSTwinCities</a> <a href="https://t.co/PlMpSsMEzs">pic.twitter.com/PlMpSsMEzs</a></p>— Paul Zunker (@paul_zunker) <a href="https://twitter.com/paul_zunker/status/884239180242575360">July 10, 2017</a></blockquote>
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2.5 inch hail has been reported in Winthrop, Minnesota, as of 9:13 p.m. CDT on Sunday.
Additionally, a tornado warning has been issued until 10 p.m. CDT for Courtland and Klossner, Minnesota.
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As of 8:00 p.m. CDT Sunday, a line of damaging thunderstorms blast southward across the Midwestern United States, creating a possible tornado near Appleton, Minnesota.
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