The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

A huge swath of the United States was blasted with ice, snow, and wind on Monday as the polar vortex that dipped south over ...

Storm Blair is expected to move through Ohio on Sunday, bringing snow and sleet accumulations of between 5 and 9 inches on ...

AccuWeather forecast that the state's "RealFeel" temperature could be as cold as between 10-20 degrees from January 8-10.

A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...

A polar vortex with the potential to damage Florida's seasonal citrus crop is expected to descend on the state next week -- ...

The cold is expected to persist throughout January, with relief coming once February rolls around. Such plunges occur when ...

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.

Frigid air that normally stays in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be record-shattering.

The rain that pummeled the northeast on New Year's Eve is just a beginning of things to come as New York faces up to 3 feet ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?