Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

When a chunk of the polar vortex dislodges from the North Pole, it can bring Chicago's coldest periods of weather on record, such as those recorded during the winters of 1977, 1989 and 2014.

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

The polar vortex is to blame. The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. Accessibility statement Skip to main content ...

There have been several polar vortex episodes across the United States this winter, ... Below minus-10: Colorado, Missouri, Illinois, Wisconsin, Michigan, New York, Vermont, ...

The polar vortex of ultra-cold air usually spins around the North Pole, ... West Virginia, Illinois and Missouri, according to electric utility tracking website PowerOutage.us.

Why has April in Chicago been cold so far? A big factor is the disruptions in the polar vortex, even as the “polar vortex season” is winding down, according to NBC 5 Meteorologist Kevin Jeanes ...

Very Cold Weather Is Coming. US About to Get 10th and Chilliest Polar Vortex This Winter The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.

Polar vortex to bring frigid temperatures, snow and ice to millions of Americans About 60 million people are forecast to experience subzero temperatures. The polar vortex may also fuel yet another ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.