The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

Polar vortexes are girdles of swirling cold air and low pressure surrounding the Earth’s poles. The Arctic one can cause ...

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...

US president asks ‘whatever happened to global warming?’ Well, it could be making our winter storms worse ...

The major storm is set to hit starting on Jan. 23 and will stretch into the weekend, spreading snow and ice from the southern ...

It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, ...

A polar vortex expansion is bringing extreme cold and heavy snow to over 150 million Americans across two dozen states.

Historic blizzards have caused fatalities, major damage, and lasting infrastructure changes.

Bags of ice-thwarting salt aren’t usually a hot item at Bates Ace Hardware in Atlanta, but store manager Lewis Pane sold all ...