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

A rare weather phenomenon that hasn't occurred since 1968 could soon impact the U.S., plummeting temperatures nationwide.

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

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

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

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

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an expected polar vortex.

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...

An impending polar vortex is set to plunge temperatures across the eastern US into the 30s and 40s Fahrenheit. The National ...

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

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