A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

The East may have been plunged into a deep freeze this winter, but a hot, dry winter in the West is raising alarms among ...

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of ...

Forecasters are warning that the breakdown of the polar vortex high above the Arctic will not bring relief from winter, but ...

Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the month. The ongoing pattern may trend stormier with areas of snow and ice ...

A disrupted polar vortex will unleash a series of bone-chilling Arctic outbreaks across the eastern United States this month.

A winter buzzword, explained.

After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...