More than half a foot of rain has fallen in parts of northern Iowa over the past two days, causing floods and mudslides and forcing evacuations. Not too far away, golf-ball-sized hail shattered windows in Nebraska Wednesday.
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More severe weather is lurking today in the upper Midwest, potentially including damaging wind, hail and tornadoes.
Severe storms will be moving into the Northeast and eastern Great Lakes region by Friday, moving from Cleveland to Pittsburgh to Boston. Damaging wind, hail, isolated tornadoes and flash floods are possible.
Heavy rain will continue Thursday from New Mexico to Wisconsin, both areas that are seeing flash flood watches and warnings.
With a storm system moving east, heavy rain soon should spread into northern Texas, Oklahoma and Arkansas. Some parts could see more than 4 inches; others as much as 6 inches. Areas in the Midwest and Great Lakes could see 3 to 4 inches.