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

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

The colder-than-normal temperatures in Houston are part of a larger pattern of Arctic air sweeping through Texas and much of ...

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

Here's the latest on the winter storm.A historic winter storm is poised to produce potentially record-breaking snows from ...

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

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

Most of the nation is in good shape on Wednesday and will be warmer on Thursday. The arctic air is coming, but not yet. The ...

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 ...

When this stratospheric vortex becomes disrupted or stretched, it can distort the jet stream as well, pushing it southward in some areas and causing cold air outbreaks. The Arctic polar vortex is ...

A polar vortex is slated to sweep most of the continental ... See pictures of snow blanketing Florida, Texas and more Tuesday A major climate pattern shift has finally happened.