While scientists say that there is not evidence that extreme cold is becoming more frequent or intense, a growing body of research is finding that rising temperatures in the Arctic are weakening ...

Bundle up Tennessee because it's about to get downright frigid. Tennessee, along with most of the lower 48 states, can expect ...

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 ...

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

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

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

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 ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...

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