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

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden ...

After a weekend of milder temperatures, a cold snap is expected to hit the Milwaukee area starting Tuesday, Nov. 25.

The US National Weather Service warns that La Niña, the MJO and a rare Sudden Stratospheric Warming could bring winter-like ...

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

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

The polar vortex is an area of low pressure, a wide expanse of swirling cold air that is parked in polar regions, according ...

The polar vortex is beginning to stir, signaling a gradual shift toward cooler fall weather in the northern U.S. Tennessee is expected to see mild temperatures through December, with the average first ...

New York City could see its first snow of the season on Tuesday as a powerful polar vortex sweeps across the eastern half of ...