According to a forecast map shared by the agency, the states with the highest probability of seeing below average ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...

A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a ...

Will the polar vortex change Alabama’s winter outlook and could it set the stage for a white Christmas? Here’s what we know ...

The current polar vortex event is triggering some of the lowest temperatures of the season and is impacting Americans in ...

A polar vortex is bringing another round of frigid, Arctic air to the Eastern United States. Temperatures across Tennessee ...

Snow season has gotten off to a fast start across swaths of the northern United States this year. Fueled in part by an ...

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

The polar vortex can commonly be disrupted during the winter and is known to cause an Arctic outbreak in the United States.