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 ...

A potent shot of Arctic air starts settling in Monday as a massive dip in the jet stream pulls in frigid air across the ...

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.

Denver is soldiering through a blast of freezing cold and snow Saturday morning, as winter weather generated by a polar vortex continues to hit the Front Range. National Weather Service meteorologist ...

Here's a detailed forecast and timeline of when NYC will see snow on Sunday, how many inches to expect and what's forecast to happen when a polar vortex sweeps the area next week: ...

The 10 Weather Impact team issued Alert Days for next week because of the polar vortex being responsible for the cold ...

State Climatologist Jay Grymes said there could be lows of 20 degrees across the state between Monday and Wednesday and the ...

Nearly 300M Americans face an arctic blast with sub-zero wind chills, heavy snow, and record-low temperatures ahead ...

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