A significant meteorological event is poised to impact vast regions of the United States. The polar vortex, a large area of low pressure and cold air surrounding the Earth’s poles, is expected to ...

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

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities the totals obliterate long-standing snowfall records. Milton, Florida recorded 9 inches of snow which more than doubles ...

There's still snow and ice on some roadways. While the storm is over, the Arctic air blast from the polar vortex is still blanketing much of the country, including Mississippi. There was an extreme ...

As the polar vortex delivered what is expected to be its final blast across southern Ontario on Wednesday, city residents braved the bitter cold — including Fintan the lion at the Toronto Zoo.

Even if you didn't see snow, the Arctic air blast from the polar vortex is still here. See how to get ready for the cold. When will Mississippi get warm?

The snow storm could hit over a dozen states through Wednesday, including Texas, Louisiana, Mississippi, Alabama, Florida, Georgia and the Carolinas.

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

The polar vortex could bring life-threatening weather ... between the 20s and 30s in the Southern Plains and Lower Mississippi Valley; and in the 40s along the western and central Gulf Coast.

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...