A Polar Plunge is a winter fundraiser that is a unique opportunity for “brave” Oklahomans to support Special Olympics ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout the Milwaukee area closed as the area braced for the dangerous freezing ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

An Arctic blast occurs when the polar vortex, a ring of cold air usually trapped around ... with dangerous wind chills extending as far south as Oklahoma. The National Weather Service (NWS) projects ...

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 and ...

It’s about to get much colder across northeastern Oklahoma, with an arctic front dropping temperatures from Saturday through at least Tuesday and a chance of some weekend snow flurries.

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.

The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, right? Or maybe someone dreamed up the name for views? Is it a storm?

What’s shaping up to be the most expansive polar vortex in over a decade is about to plunge much of North America, including nearly all of Canada, into the coldest temperatures the country has ...