Storms dumped as much as 10 inches of rain on already-soggy central Indiana on Saturday, threatening dams, inundating highways and forcing the Coast Guard to rescue residents from swamped homes.
Flooding was also a problem in Wisconsin after storms blew through with tornadoes that injured at least five people.
Indiana Gov. Mitch Daniels declared an emergency in 10 counties as the Coast Guard was called in from the Great Lakes to help with flooding that has forced hundreds of people from their homes. No injuries or deaths had been reported.
“At this point, mercifully, we believe all Hoosiers are secure,” Daniels said during a news conference. “We hope that will continue.”
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Ninety percent of the small town of Paragon, southwest of Indianapolis, was under water, State Homeland Security Director Joe Wainscott said.
Water reached the first floor of Johnson Memorial Hospital in Franklin, but no patients had to be moved, county Commissioner Tom Kite said, and cars were submerged up to their windshields in the county government building parking lot.
Indiana state police reported evacuations in the Lake Lemon area about 10 miles northeast of Bloomington. Dams near Gold Point were close to collapse, police said.
Interstate 70 was closed in west-central Indiana, and Interstate 65 and another major route, U.S. 31, were closed near Franklin.
More than 30,000 customers were without power, officials said.