An Extreme Cold Warning starts overnight as an Arctic front will bring the coldest weather the Chicago area has seen since ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

Cold temps are not uncommon in January, but the polar vortex-related extremes the Elgin-area will see Friday are downright ...

"Potentially hundreds of thousands of people may go without electricity and heat for days, one meteorologist said ...

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms.

National Weather Service Binghamton has issued a hazardous weather outlook for the area as the polar vortex approaches.

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with ...

A shift in the polar vortex has forecasters watching closely as the coldest air of the season approaches. Here's what to know ...