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

Temperatures are dropping in Texas on New Year's Eve ahead of next week's polar vortex, which will bring snowfall to much of ...

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

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 ...

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

The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

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

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.

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 ...

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.