A rare atmospheric collision is poised to deliver unprecedented Arctic air across North America in December 2025. On November ...

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

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

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

Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

Illinois is heading into a bitter post-Thanksgiving weekend, with a major winter storm bringing plunging temperatures and a ...

For instance, cities like Springfield, Illinois, recorded temperatures as low as zero degrees, while Plattsburgh, New York, experienced minus four degrees. This drastic drop in temperature is not just ...

Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

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 ...

St. Clair County, including Belleville, is under a winter weather advisory along with several other metro-east counties and St. Louis areas until 6 a.m. Wednesday, Feb. 19 due to expected snowfall.