It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

Snow and winds are likely to trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day ...

A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...

Any sort of wind along with the bitter cold will make for frostbite in as little as 15 to 20 minutes in the incoming arctic ...

Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update. A polar vortex is forecasted to blanket most of the continental United States in ...

The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically circulates around both the North and South Poles, but can push ...

“These events never happen over the Antarctic,” says Aditi Sheshadri, an atmospheric scientist at Stanford University. And the absence of these polar vortex disturbances in the Southern ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...