The polar vortex will push Artic air south, and a severe winter storm could follow. How cold will it get in Louisiana?

The NWS has predicted a major winter storm will bring heavy snow and ice to many regions. Will Louisiana see snow and ...

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex will bring days of life-threatening temperatures to much of the country, ...

A major ice storm is expected to impact multiple states from Texas to Georgia this weekend, ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Another polar vortex is expected to bring subzero temperatures that will affect more than 40 million Americans in the coming ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects ...

A polar vortex expansion is bringing extreme cold and heavy snow to over 150 million Americans across two dozen states.

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...