Weather whiplash: Twin Cities may see 7-day, 125-degree temp swing

Helen Mongan-Rallis of Duluth walks her 9-year-old Border Collie, Peanut.
Helen Mongan-Rallis of Duluth walks her 9-year-old border collie, Peanut, on the Park Point Beach in Duluth. The temperature was minus 13 degrees at the time.