Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...

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

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

We’ve got two storm systems that’ll bring impactful weather to the Stateline, with the first arriving Thursday and the second arriving late Friday into Saturday. Rain is expected to ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Add Yahoo as a preferred source to see more of our stories on Google. At the same time, every hurricane that formed, including the three powerful Category 5 storms, steered clear of the U.S. mainland.

The polar night jet, the high-altitude winter wind that circles the Arctic, acts like a flywheel for the cold season in the Northern Hemisphere. As climate change erodes the temperature contrast that ...