Dr. Amy Butler with the National Oceanic and Atmospheric Administration says the early polar vortex disruption is unusual and ...

Maine has plunged into an arctic freeze before winter has even officially arrived and these bitter temperatures may stick ...

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

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

A polar vortex from the North Pole has shifted south over Canada, and will be pushing chilly sub-zero temperatures down into ...

But the frigid lows didn't quite break records, though they came close, according to the National Weather Service.

Temperatures dropped to near zero — with wind chills in the negatives — Thursday night into Friday morning as the chilly air ...

Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

An Arctic blast is expected to bring below-average temperatures to the central U.S. and New England in late November and early December. A weakening polar vortex, influenced by a rare weather ...

A powerful Arctic blast could bring the coldest air of the season to the Eastern U.S. by mid-December. Another surge of ...