A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

An arctic blast will send temperatures across the United States plummeting as bitterly cold air that originated in Siberia ...

Snow and winds are likely to disrupt traffic, trigger flight cancellations, and cause headaches for people traveling to D.C.

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 polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

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

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

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

Perfect time to hop on a plane and go somewhere south,” FOX Weather Meteorologist Britta Merwin said. “Like, really, really far south.” ...

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

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...