Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

Polar vortex brings frigid air to US, making Trump's inauguration coldest in 40 years, moved indoors due to cold.

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

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.

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

During the 2014 January polar vortex, more than 20 people across the country died from the cold as places like Georgia — which rarely see serious cold — dealt with lows under 10 degrees ...

Every few years or so, a dip in the jet stream allows this cold air to sink into the U.S. The last few visits from the polar vortex occurred in 2021, 2019, and 2014.