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

Sudden Stratospheric Warming (SSW) events occur during the winter months and can lead to Arctic outbreaks across the US. They ...

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 ...

(CNN) — It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

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

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...