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 ...

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

A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

This weather event may not be constant, but there will be cold waves over multiple days with single-day warmups mixed in.

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming.

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

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

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

The polar vortex is weakening, which means New England is in for a colder than usual December, with episodic cold snaps.

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter much of the western United States and Midwest with heavy snow and cold ...

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