A lone jogger makes his way along Lake Michigan in unseasonably warm temperatures at Chicago's North Avenue Beach Tuesday, Jan. 29, 2013, in Chicago. Unseasonably warm temperatures broke records in the Chicago area with thunderstorm expected to usher in freezing temperatures and snow Wednesday. (AP Photo/Charles Rex Arbogast)

Photo by: Charles Rex Arbogast

A lone jogger makes his way along Lake Michigan in unseasonably warm temperatures at Chicago's North Avenue Beach Tuesday, Jan. 29, 2013, in Chicago. Unseasonably warm temperatures broke records in the Chicago area with thunderstorm expected to usher in freezing temperatures and snow Wednesday. (AP Photo/Charles Rex Arbogast)