Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills between negative 10 to negative 25 degrees will be expected, and the cold ...

The United States is expecting another hit by the polar vortex starting this weekend. Here's what's expected in South ...

A polar vortex is a large, low-pressure system of cold air that typically resides near the Earth’s poles, surrounded by ...

Cold temperatures are set to continue on Monday, but New England will feel another icy blast of Arctic air linked once again ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

January 2025 has been the coldest since 2018 and the fourth-coldest since the turn of the century. It looks like it could get even colder heading into next week. Within the last decade, the phrase ...