A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy ...

The polar jet stream, which is affected by the polar vortex above it, has become quite wavy, allowing Arctic air to ...

A polar vortex full of freezing air from Canada is about to bring a massive chill to millions across 30 states throughout ...

Another push of arctic air is expected to dive out of Canada and unleash a big freeze to millions of Americans in the Eastern ...

In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

A ferocious lake-effect snowstorm slammed the Midwest and Northeast on January 14-15, 2026, shattering records and paralyzing ...

Another polar vortex is expected to bring subzero temperatures that will affect more than 40 million Americans in the coming ...

Learn how climate change is causing warmer winters, intense storms, and unpredictable weather patterns. Scientists warn of ...

The coldest air of the early winter season is blasting the eastern U.S. on Monday with single-digit temperatures with the wind chill, as the Polar Vortex unravels and, with it, brings dangerous arctic ...

The bitter cold that overspread the central and eastern United States this past weekend will be relatively short-lived, forecasters said. "A large sector of the nation will continue to experience a ...