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

An Extreme Cold Warning starts overnight as an Arctic front will bring the coldest weather the Chicago area has seen since ...

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 ...

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

Cold temperatures are expected to last through the end of the month — and forecasters say that there's a potential for snow ...

The displaced polar vortex will bring prolonged periods of cold to the eastern portion of the Lower 48 through the end of ...

CHICAGO — The polar vortex is back and the forecasts are dire: A quick punch of snow, followed almost immediately by a life-threatening level of cold that a generation of Midwesterners has never ...

Another polar vortex is expected to bring subzero temperatures that will affect more than 40 million Americans in the coming ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

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