The tropospheric polar vortex is a normal feature that influences weather across the globe every winter, while the ...

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

In a new outlook from the National Weather Service, the Chicago area appears to be in for a potentially "active" start to ...

This winter will be marked by a La Niña event, warmer North Pacific waters, and an undulating polar vortex where cold air ...

A storm system could put a damper for travel plans for many this Thanksgiving. Here's the latest forecast for South Carolina ...

Palm Beach International Airport recorded a low of 45 degrees for the morning of Nov. 11. How cold was other parts of Florida ...

The phenomenon, known as a sudden stratospheric warming, it's "the largest type of disruption that occurs to the polar vortex ...

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

"It’s expected to get much colder in the Chicago region around and after the Thanksgiving holiday," NBC 5 Storm Team ...

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

Here's what this winter could have in store for residents of New York's mid-Hudson Valley. See predicted snow amounts, ...