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

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee.

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

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States ...

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

"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, ...

The polar vortex is a large and very cold area of low pressure that surrounds the poles. It always exists, but it becomes stronger and more defined during the winter months. The stratosphere, where ...

A major ice storm is expected to impact multiple states from Texas to Georgia this weekend, ...