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

Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

In 2014, the term “polar vortex” burst on the scene across Canada and the U.S. as temperatures plunged. In some places, it ...

Lisa Muscat carries her dog Zoey to safety after a water main break in Detroit caused massive flooding, triggering evacuations, Monday, Feb. 17, 2025. (Andy Morrison/Detroit News via AP) The term ...

The tenth and coldest polar vortex of the season is blasting across the US this week. More than 58million Americans are under National Weather Service cold warnings from the US-Canada border to as far ...

The majority of the country will wake to bone-chilling temperatures Thursday, with dozens of temperature records at risk of being broken. The massive outbreak of cold air is connected to the polar ...

Thanksgiving is this Thursday, Nov. 27, and there is a good possibility of some rain and snow across the region. The holiday ...

By Thursday, Arctic air will funnel across the Great Lakes Basin, dropping temperatures and fueling strong winds.

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

This is what a split in the polar vortex looks like! Highlighted by the red boxes, you can see two distinct circulation centers, versus strictly one. This allows for cold air to flood southward into ...