Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

At the same time we go into a touch milder southwest flow, the polar vortex will still be churning away over northeast Canada. I don’t expect a full onslaught of the polar vortex to shift south ...

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

Elsewhere, a displaced lobe of the polar vortex has brought an unrelenting chill to large parts of the contiguous United States. About 30 states have experienced temperatures well below average ...

The big winter weather challenge has now come and gone in the form of last week’s polar vortex. The Eastern railroads got doubly lucky as they also had to contend with Winter Storm Enzo, a rare ...

You also notice the end of the forecast indicates the polar vortex may be making another swipe at Michigan in mid-February. At that time of year it can still be a very cold outbreak. However it ...

A "highly complex" search and rescue operation has found no survivors after a passenger plane collided with a military helicopter in Washington DC. The American Airlines flight was preparing to ...

The polar vortex is expected to remain on the Canadian side of the North Pole, which will keep an abundant supply of Arctic air readily available to fight back at times against the milder pattern.