Millions are set to see temperatures plunge over the Thanksgiving holiday period as the destablizing polar vortex sends ...

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 ...

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

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

A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

A blast of polar vortex cold air is expected to hit parts of the country around Thanksgiving. What to expect in Tennessee.

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

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

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

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

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