Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

As the new year approaches, and we get deeper into winter, many are wondering if Louisiana will see snow. Here's what forecasts predict.

A disrupted polar vortex is expected to bring cold weather to many parts of the U.S., and potentially snow to some regions. A rare atmospheric event known as sudden stratospheric warming is being ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...