This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast says the low ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

Cold temperatures are set to continue on Monday, but New England will feel another icy blast of Arctic air linked once again ...

The coldest air of the early winter season is blasting the eastern U.S. on Monday, with single-digit temperatures with the wind chill.

Frigid Arctic air is pushing south into the United States, and fortunately, it doesn’t look like freezing temperatures will hit Texas just yet.

The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More than ...

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

Dr. Amy Butler with the National Oceanic and Atmospheric Administration says the early polar vortex disruption is unusual and just one of three ever recorded.

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