A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

Parts of Mississippi can expect freezing temperatures, lows in the teens in the coming week. Know how to prep your home, ...

Parts of Mississippi can expect snow, freezing temperatures, lows in the teens next week. Know how to prep your home, family, ...

WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...