A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

A highly unusual disruption of the polar vortex is taking shape in the upper atmosphere this November, raising the odds of a ...

A rare weather phenomenon that hasn't occurred since 1968 is expected to plunge temperatures across parts of the United States.

An unusually strong disruption in the upper atmosphere is setting the stage for a winter pattern that could lock much of the ...

Two rounds of winter weather are set to inch across the U.S., bringing the potential for freezing temperatures as far south ...

Here's what this winter could have in store for residents of New York's mid-Hudson Valley. See predicted snow amounts, ...

National Oceanic and Atmospheric Administration data shows snow has already appeared across much of the northern U.S. and the ...

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

Over the next 10 days, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December ...

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden stratospheric warming event (SSW) disrupting the stratosphere’s polar vortex ...