North winds from an approaching Canadian high pressure system will not only trigger lake-effect snow showers around the south end of Lake Michigan on Friday, it will also usher unusually cold air into the Chicago area.
Tom Skilling, Chicago Tribune: Local
Fri, 03/27/2015 - 5:59am
North winds from an approaching Canadian high pressure system will not only trigger lake-effect snow showers around the south end of Lake Michigan on Friday, it will also usher unusually cold air into the Chicago area.