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

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

The tail end of a snowstorm is creating freezing fog across Virginia and the state is set to experience another blast of icy ...

Snow is expected to fall again in central Illinois, starting Saturday night, Dec. 6, according to the National Weather ...