Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...

The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of the U.S. in December. Last week, almost 100 daily record lows were tied ...

A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of Florida seeing snow.

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Add Yahoo as a preferred source to see more of our stories on Google. Our old wintertime friend the polar vortex is set to funnel bitterly cold air south from Canada two more times in January, once ...

Bundle up, Cincinnati. It's going to get cold. A "shocking" Arctic blast – with temperatures more akin to mid-January than early November – is poised to overspread the eastern half of the U.S.

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what could happen.