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

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

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

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

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

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

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

There may be a disruption to the polar vortex due to an unusually early Sudden Stratospheric Warming event. Judah Cohen, a ...

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

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

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

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