The big winter weather challenge has now come and gone in the form of last week’s polar vortex. The Eastern railroads got ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. COLUMBUS, Ohio — ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar vortex.

Lows are expected to be colder than usual thanks to an Arctic air outbreak from the polar vortex that still won't clear out until later this week. There's still a cold weather advisory in effect ...

Just as fate brought Donald Trump improbably back to the presidency, there is cosmic irony in the last-minute change of venue ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

Dozens of US states will endure the lowest temperatures they have felt in years next week as a polar vortex brings 'life-threatening' cold. Here's how you can stay safe in these harsh conditions.