(CNN) — Heavy thunderstorms and gushing rain pummeled parts of the Midwest and Plains over the weekend, triggering flash flooding that caused water rescues and canceled multiple events in the Milwaukee area.

So much rain fell in Wisconsin Saturday into Sunday that it could set a new state record. A rain gauge in northwest Milwaukee recorded 14.5 inches of rain over a 24 hour period, according to the Milwaukee Metropolitan Sewerage District. If confirmed by the National Weather Service, it would surpass the previous record of 11.92 inches set in Mellen, a town in northern Wisconsin, in 1946.

Milwaukee County declared a state of emergency Sunday as the Milwaukee River crested to a record 11.19 feet, topping the previous high of 10.48 feet set in July 2010. Floodwaters swamped roads, stran

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