Much of the U.S. will experience the cold weather, with Floridians facing the threat of frost later this week.

Current forecast models show the circulation of the Polar Vortex weakening later this week into the weekend. As this occurs, ...

Another round of bone-chilling air from the Polar Vortex could invade the central and northeastern U.S. this weekend and ...

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

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days.

According to a forecast map shared by the agency, the states with the highest probability of seeing below average ...

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