Snow is expected to taper off around Denver by the early afternoon, while temperatures will remain well-below freezing ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...

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

Frigid arctic air due to a polar vortex is about to send temperatures plunging for millions of Americans across the U.S., and ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to ...

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

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.

Over 120 million Americans will face extreme cold, with temperatures potentially reaching minus 40 degrees Celsius.

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

C in the Northern Plains and Upper Midwest, into the teens in the central Plains and Midwest and near 30 degrees in parts of the South on Saturday ...

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...