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

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

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...

Frigid Arctic air is pushing south into the United States, and fortunately, it doesn't look like freezing temperatures will ...

The Pacific Northwest is expected to see up to seven inches of rain this week, as the eastern United States braces for arctic cold.

As we head into the polar vortex, meteorologists are calling for up to a foot of snow in some parts of the U.S.

According to Cincinnati.com, the polar vortex broke, which, again, is a common phenomenon. "The North Pole is covered by the polar vortex, a massive circular upper-air weather system in the Arctic," ...

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 ...

Most of Virginia is expected to receive 1-4 inches of snow on Monday, just three days after a similar snowfall covered all ...

The Arctic polar vortex is expected to move south, which some say will lead to the coldest, harshest winter in years. Wyoming ...

Some light snow is possible across much of New Jersey on Friday night after an Arctic blast of much frigid air could ...