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

Snow and winds are likely to trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day ...

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

Erin Davis/Axios VisualsA powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures by next week ...

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 ...

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

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

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

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

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

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