Our weather has always been full of uncertainty. This past week weather forecasters have been trying to figure out the actual path of the winter storm that is affecting much of the country this ...

2026 has got off to a very snowy start, with heavy snowfall and tumbling temperatures in just a few short weeks ...

Another weekend snow chance and more cold are in the forecasts. But the big difference between last week and this one in the Philadelphia region is a matter of degrees — about 10 of them. A coastal ...

A massive Arctic outbreak gripped 11 states from Alaska to Appalachia starting January 13, 2026, as the National Weather ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

Meteorologists said the eastern two-thirds of the nation is threatened with a winter storm that could rival the damage of a ...

Dangerous life-threatening cold has spread over much of the Northern Plains, Midwest and parts of the Northeast, with another surge of arctic air expected to drop wind chill temperatures close to -40 ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...