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

According to the National Weather Service, prolonged exposure to extreme cold can quickly lead to frostbite or hypothermia.

Winter isn't just knocking anymore. It's kicked the door wide open and brought the polar vortex along for the ride. If you've ...

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

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

In Indiana, storms brought scattered snow across the state. Use our interactive tool to search by address and see how much ...

Across parts of the Northeast and New England, 14 million people remain under Winter alerts. A fast-moving storm wreaked ...

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...