"Very cold daytime temperatures will struggle to rise above the teens and single digits," the Weather Prediction Center said.

An early blast of Arctic air is sweeping across the eastern U.S. this week, bringing frigid temperatures and the season’s first significant snow to parts of New York. As cold air rushes over the Great ...

Temperatures across Michigan are forecast to plunge to the some of the coldest in the U.S. this week, dipping well below zero in places as a surge of Arctic air sweeps in. The broader weather pattern ...

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

Arctic air will settle over Michigan this week, bringing several days of sub-freezing temperatures and a renewed threat of lake-effect snow.

A disruption in the polar vortex centered over the North Pole will allow for areas of bitterly cold air to escape the Arctic region and move into the U.S. Under stable conditions, arctic air usually ...

There is definitely a major rearranging of the weather pattern around the northern hemisphere underway. It is going to take a ...

A big winter storm hit the US in late January and dumped snow and ice across a lot of states. After the storm passed, the cold didn’t leave. Instead, .