Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

An Arctic front is moving into the Chicago area, bringing the coldest weather since the 2019 Polar vortex.

With frigid temperatures sweeping into the region, Chicagoans are being asked to take precautions and make alternate plans as ...

Cold temps are not uncommon in January, but the polar vortex-related extremes the Elgin-area will see Friday are downright ...

From hundreds of miles above Earth, the brutal polar vortex that gripped the Great Lakes turned into something strangely beautiful. A satellite view captured ghostly spirals of ice curling across Lake ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the ...

Twenty-six states across the U.S. are under wind-chill warnings resulting from a weather phenomenon known as the polar vortex, which is described as a moving pool of cold air tens of thousands of feet ...

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of ...