A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

Daughter polar vortices' could bring snow and ice to parts of northern, central, and eastern United States later this month, ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

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

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 and how does it impact our weather? The polar vortex is ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

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 ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

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

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...