Polar vortex will hit the U.S. with three waves of snow, extreme cold and storms. Will Mississippi weather feel the chill?

Dr. Amy Butler with the National Oceanic and Atmospheric Administration says the early polar vortex disruption is unusual and just one of three ever recorded.

The first of three expected polar vortex systems is predicted to bring frigid temperatures. Here's what is expected in South Carolina.

According to the NOAA Climate Prediction Center map, Georgia is highlighted in "near or above normal" temperatures for the ...

Polar vortex disturbance is causing frigid Artic air to surge southward, bringing cold temperatures and possibly snow to many regions of the US.

Another round of bone-chilling air from the Polar Vortex is expected to invade the central and northeastern U.S. this weekend ...

The polar vortex phenomena is making this December much colder than average. Students should prepare themselves for changes ...

The polar vortex can commonly be disrupted during the winter and is known to cause an Arctic outbreak in the United States.

Uncertainty remains high regarding all aspects of any snowfall, and those who will be in the Midwest and Northeast should monitor forecast changes as the week progresses.

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a major concern.