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 ...

The polar vortex is beginning to stir, signaling a gradual shift toward cooler fall weather in the northern U.S. Tennessee is expected to see mild temperatures through December, with the average first ...

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