Communities across the Northern Plains and Upper Midwest, including parts of Wisconsin, Iowa, Nebraska, and northern Kansas, are at risk of flash flooding and severe storms. Emergency shelters have already been activated in areas like Detroit Lakes, Minnesota, following earlier storms. The NOAA Weather Prediction Center has issued a Level 2 out of 4 flash flood threat, with rainfall totals of 1 to 2 inches expected, and localized areas potentially exceeding 3 inches. Saturated ground conditions increase the likelihood of flooding, while damaging winds and isolated tornadoes pose additional hazards.