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

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 ...

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

CHICAGO (WLS) -- Polar Vortex? Not quite, but Chicago weather is on pace for a cool down next week. "The jet stream will be buckling unusually far south for mid-July, allowing a cross polar flow of ...

Snow is expected to fall again in central Illinois, starting Saturday night, Dec. 6, according to the National Weather ...

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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.