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 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.

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 ...

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

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 ...

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

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...