Good afternoon and happy Thursday, readers! Temperatures are dropping here in Washington, D.C., with chances of snow tomorrow ...

Florida will mostly be spared from the coldest effects of this week's Arctic blast. Florida will be spared the coldest effects of this week's Arctic blast but could still see lower than normal ...

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.

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

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

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

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

Pennsylvania and the rest of the Northeast are headed into a period of unusually cold weather, thanks to the polar vortex.

West Palm Beach hit 87 degrees on Dec. 2. That's about 10 degrees warmer than normal and ties the record for that day set in ...

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

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