The hottest air of the summer will brush much of Minnesota and Wisconsin with a heat index anywhere from 100 to 111F Tuesday and Wednesday, hot enough to buckle roads according to NOAA
Rapid warming is triggering flooding over the South Shore of Lake Superior, and temperatures near 70F (inland) later today will accelerate runoff and flooding across much of the Northland. Cooler weather, and a little slush, is shaping up for the weekend.