Jan. 17 (UPI) --Dangerously cold weather will put much of the United States into a deep freeze over the weekend as temperatures are expected to plunge by up to 40 degrees behind an Arctic airmass.

A polar vortex will plunge the GTA into a deep freeze until Wednesday, Environment Canada says. "Be prepared for very cold ...

The active weather week continues into Friday with another round of snow likely before the freezer door opens with Arctic air set to roll in as next week begins.Thursday will be a quiet, bright and ...

the mid-Atlantic United States and the Northeast corridor will get socked with heavy snowfall in advance of the Arctic cold front on Sunday before likewise being plunged into the deep freeze ...

Northern parts of the Texas Panhandle are expected to see the most extreme weather change over the coming days. Fresh off a ...

Sandstrom said the weather service at the very least likely would be issuing cold weather advisories and could issue cold weather warnings starting this weekend. He said area residents should be ...

A polar vortex over southern Ontario means Waterloo region, Guelph and Wellington County will experience very cold temperatures until at least Thursday. Environment Canada has issued an extreme cold ...

don’t want this kind of cold. “The safety of our plungers is always No. 1 on our minds,” said Jeremy Davis, who helps run the annual Polar Bear Plunge at Seaside Heights for Special Olympics ...

Toronto will see bitter cold until Wednesday, Environment Canada says. (Mark Blinch/The Canadian Press - image credit) A polar vortex will plunge the GTA into a deep freeze until Wednesday ...