Arctic air moved south, into the area starting late last week and has lingering since. This has lead to dangerously cold ...

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.

Frigid temperatures engulfed the South on Monday ahead of a winter storm that’s expected to spread heavy snow and disruptive ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Major winter storm brings heavy snow to East Coast as Arctic blast puts millions under warnings from Plains to Maine ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...

A major Arctic outbreak is building, bringing below-freezing temperatures to more than 100 million Americans next week.

It’s about to get much colder across northeastern Oklahoma, with an arctic front ... this cold snap comes from a disruption in the polar vortex, the ring of cold air usually trapped around ...

Global News meteorologist Anthony Farnell said the chilly temperatures, caused by a polar vortex spinning across Canada, will “overwhelm” and will start this weekend and carry into next week.

But despite the bitter cold, this weather event is not a polar vortex. "This is not so much a polar vortex for us because the vortex is holding up over Canada," David Barjenbruch, meteorologist at ...

FADEL: OK. How is this different from that other winter weather phenomenon that sounds hypothermic-inducing, a polar vortex? FREEDMAN: Yeah, so this is actually related to the polar vortex. FADEL: OK.