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

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

Meteorologists predict that the cold could persist well into December, with another wave of cold air potentially arriving by mid-month.

Temperatures across Indiana are set to be even colder tonight, as temperatures plunge into single digits and at the zero mark ...

A shifting polar vortex will send multiple rounds of Arctic air into the central and eastern United States through the first ...

There are early signs that the northeastern United States may be in for several waves of below-average low temperatures this ...

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold ...

How does a polar vortex form? It's a normal pattern that tends to contain the coldest weather close to the North Pole. A ...

Morning Weather Update 12/4/25 ...

Parts of the U.S. are set to experience bone-chilling temperatures, with some states dropping to single figures.

An article about the polar vortex will resonate with readers in Chicago, where the keyword is already garnering significant ...