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

A sharp temperature drop arrives this weekend, but will there be any wintry precipitation? Here's what we know and don't know ...

It may seem as if winter already has a firm grip over the eastern U.S., but the cold air that’s about to make a plunge into ...

The National Weather Service released a cold weather advisory at 3:08 p.m. EST on Wednesday valid from Thursday 10 p.m. EST ...

Sills said frostbite is what concerns him most when it comes to long-term effects. “If you have severe frostbite, then that ...

The NWS Portland OR released a cold weather advisory at 12:08 p.m. on Wednesday valid for Thursday between midnight and 10 ...

The Chicago area will wake up to extremely cold conditions on Monday as arctic air plunges wind chills to dangerous levels.

Wind chills of up to 15 degrees below zero hit the Chicago area Tuesday morning, with the National Weather Service warning of ...

On Wednesday at 12:08 p.m. the National Weather Service released a cold weather advisory valid for Thursday between midnight ...

The National Weather Service released a cold weather advisory at 2:40 p.m. EST on Wednesday valid from Thursday 10 p.m. EST ...

Chicagoland is gearing up for a round of dangerously cold weather that is set to arrive as the workweek nears an end. Ahead ...