We get our first winter storm tomorrow in the Chicago area -
http://blog.chicagoweathercenter.com...rthy-snow.html
"But winter is expected to return with a vengeance Wednesday night as Arctic air powers into the area. On Thursday, the cold air will be accompanied by strong northwest winds, bitter wind chill temperatures and, potentially, several of snow. Though not especially horrible by January standards, it will be an abrupt reality check."