After this weekend's snow storm moves out, cold Arctic air will move in.

A shift in the polar vortex has forecasters watching closely as the coldest air of the season approaches. Here's what to know ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast, including ...

Year-round, severe, Artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

The incoming Arctic blast will bring very cold temperatures to West Michigan, but it still falls short of the historic, extreme cold experienced during the 2019 Polar Vortex.