The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside.

Chicago's 2026 Polar Plunge was cancelled due to extreme weather and beach conditions.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

Just hours after announcing the popular Polar Plunge would take place in the Portage Canal as planned Saturday, organizers ...

The annual polar plunge fundraiser hosted by the Chicago Polar Bear Club scheduled for Friday was canceled in anticipation of ...

The January charity event was scheduled for Saturday but temperatures expected to hover just above single digits forced its ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...