• A powerful cold front is bringing a significant temperature drop and unsettled weather to the north-central U.S.
• Expect showers, thunderstorms, and potential flash flooding as the cold front moves across the northern Plains, Upper Midwest, Great Lakes, and central Plains.
• High temperatures will plummet 15-25 degrees below average, with highs in the 50s and 60s from the Dakotas to Wisconsin.