Light snow is falling in Chicago and once the snow departs temperatures will crash.
In Rapid City, South Dakota, a letter carrier makes his deliveries wearing shorts even in the cold.
Some of the coldest air of the season pushes across the Midwest into the Northeast, setting the stage for another snowstorm this weekend.
Fans spend a lot of their free time at stadiums, many of which face north to south. This makes weather a point of interest for both players and fans alike. Violeta Yas explains.
Chilly temperatures will continue for college and NFL action later this week and into the weekend.
When and why can you see your breath on a cold winter day?
A Florida zoo welcomed a new giraffe into the world.
Santa didn't mind trading in the North Pole for some California sunshine.
Despite freezing temperatures, Bears fans tailgated at Soldier Field.
About two-thirds of the U.S. is covered in snow.