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

As one blast of Arctic air pushes out to sea, already a new surge of cold air, driven by a breakdown of the polar vortex, is ...

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.

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will temps ...

Current forecast models show the circulation of the Polar Vortex weakening later this week into the weekend. As this occurs, ...

The polar vortex is a large upper-level, low-pressure area or circulation that typically resides above the Arctic Circle.

A polar vortex system is expected to bring two or more cold waves to Florida this week. Jacksonville will see below-average ...