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 ...

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

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 ...

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 ...

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

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...