Prefer Newsweek on Google to see more of our trusted coverage when you search. A powerful polar vortex is set to grip much of the United States next week, as seen on a map, with meteorologists ...

You don't have to live in the U.S. Midwest to have heard about the polar vortex, but if you do you've no doubt felt its effects. Frigid temperatures are swallowing up many states thanks to a mass of ...

Add Yahoo as a preferred source to see more of our stories on Google. Snow is predicted in the UK next week. (Getty) (Jeff J Mitchell via Getty Images) A vortex of artic weather is slowly inching its ...

The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's ...

A displaced polar vortex in Canada is set to unleash three waves of Arctic air through mid-December, “delivering the coldest conditions of the season so far,” forecasters at AccuWeather said. “The ...

Add Yahoo as a preferred source to see more of our stories on Google. This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire this weekend ...

A lobe of the Polar Vortex is going to swing through Ontario just north of Michigan. The upper-air forecast gives us an easy look at this strong winter player. The general meaning of the Polar Vortex ...