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

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

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

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

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 ...

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

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

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

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

It has been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

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