The Weather Ball Song - Northwestern National Bank MinneapolisThe temperature at kickoff at TFC Bank Stadium was -6 degrees Fahrenheit with a wind chill of -25. That made the game the coldest one in Vikings" history and tying for the third-coldest playoff game in NFL history. Hand warmers at entry gates and free coffee for fans were provided before the game.Mariucci Arena, where the University of Minnesota"s men"s hockey...