Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be record-shattering.

Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges southward into the U.S., Europe and Asia. Studies show that a fast-warming Arctic is partly to blame ...

Monday is the second day of a frigid arctic blast that has brought highs below freezing, and snow is possible later this week.

The WXII 12 First Warning Weather Team is monitoring the winter weather in central North Carolina, especially the Piedmont Triad. ►Get the latest forecast, here.

A major winter blast of snow, ice, wind and plunging temperatures in the U.S. stirred dangerous travel conditions from ...

Meteorologists call for cold and rain Sunday as a winter storm moves through. Monday night could produce light snowfall.

About 63 million people in the U.S. were under some kind of winter weather advisory, watch or warning on Sunday.

Met Eireann has warned that even in areas with less snow, the weather is still expected to be impactful with ice and 1-5cm of snow likely with travel issues.

If you needed a reminder from Mother Nature that it's still winter across the Tampa Bay region, it's about to come in two waves.

"The magnitude and extent of the Arctic air will build into the first full week of January and linger through the middle of ...

The first big Arctic outbreak of 2025 is expected to bring cold temperatures as well as ice and heavy snow to states into ...