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

The effects of the polar vortex are expected to reach Texas on Monday and bring freezing or below-freezing temperatures ...

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

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 ...

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 ...

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.

A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans from the Deep South to the Northeast Saturday going into next week.