"The level and extensiveness of the frigid air may be tough to match the rest of the winter," forecasters warned.

Preparations are underway as an arctic blast dives into the nation's interior and southern regions and pushes a snowstorm ...

Portions of North Dakota, Minnesota, and Wisconsin have an extreme cold warning in effect as wind chills may reach as low as ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

An Arctic blast can plummet temperatures by 30 to 40 degrees this coming week, and the Florida Department of Transportation is preparing.

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...