After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

A potent winter storm is threatening a mix of significant freezing rain and accumulating snow across a swath of the Pacific ...

Another powerful storm system is expected to sweep across a wide swath of the United States, bringing heavy rain to Southern ...