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 trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day ...

A powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures by next week tumbling down to as cold ...

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 ...

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.

VIRGINIA BEACH, Va. — Looking ahead to next week, a major arctic blast is expected to settle into Hampton Roads and ...

Any sort of wind along with the bitter cold will make for frostbite in as little as 15 to 20 minutes in the incoming arctic ...