Shut the Cold Out: How to Prepare Your Wisconsin Home for Winter Home Garden Home Improvement by Tom Callen - November 15, 2014December 5, 2014 Last winter, Wisconsin experienced a literally extremely cold winter. In Green Bay, for instance, readings even went as low as 21 below zero, breaking a previous record of 4 degrees. The last winter was also recorded to be the coldest in Milwaukee and Madison in 35 years. Alright, it’s not really