The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

If you hear that the polar vortex is coming, you should expect to experience a lot of cold. CLEVELAND — The temperature ...

The first of three expected polar vortex systems is predicted to bring frigid temperatures. Here's what is expected in South ...

There are early signs that the northeastern United States may be in for several waves of below-average low temperatures this ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to expect in Tennessee.

Such events distort the polar vortex, which causes Arctic air to descend into the U.S. and causes temperatures to plummet.

Temperatures across Indiana are set to be even colder tonight, as temperatures plunge into single digits and at the zero mark ...

The polar vortex is on the move with its Arctic blasts, but so are storms packing snow and ice. The weather pattern setting ...

The United States is expected to experience a prolonged winter season marked by chilly winds, snow and shivers.

An Arctic front moved across the Great Lakes on Dec. 3, triggering advisories for snow squalls in New England on Thursday, ...

Storms, some of which may bring snow, are expected to accompany a push of colder air this week, and the next storm is ...