Chicago-native Vaughn was celebrity guest at his hometown 's annual Winter Storm Sparta . Newly-engaged Lady Gaga attended with Chicago Fire fiance Taylor Kinney and his television co-stars . City tied 140-year record for coldest February with 14.6 degree average and more winter weather expected across US . Polar Plunge for Special Olympics brings more snow and ice to East Coast after causing tragic weather-related deaths in Midwest . Boston can possibly eclipse its record for most snow in one winter if it receives 5.7 more inches .
Chicago-native Vaughn was celebrity guest at his hometown 's annual Polar Plunge for Special Olympics . Newly-engaged Lady Gaga attended with Chicago Fire fiance Taylor Kinney and his television co-stars . City tied 140-year record for coldest February with 14.6 degree average and more winter weather expected across US . Winter Storm Sparta brings more snow and ice to East Coast after causing tragic weather-related deaths in Midwest . Boston can possibly eclipse its record for most snow in one winter if it receives 5.7 more inches .