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.

It was the second consecutive day of flash flooding in Milwaukee. On Saturday night, flash flooding prompted authorities to close the Wisconsin State Fair State Fair Park in the Milwaukee suburb of West Allis and cancel the final day of the fair on Sunday, authorities said.

Because the flooding has been a growing concern, city officials have installed emergency flood barriers along several miles of riverbanks.

Alaska Gov. Mike Dunleavy declared a state disaster due to the "imminent threat of catastrophic flooding from a glacier lake outburst flood" in the Juneau area.

Residents in some parts of Juneau prepared to evacuate ahead of what could be a record surge of flooding as rainwater and snowmelt in a huge basin dammed by Alaska’s Mendenhall Glacier