Winter started quickly across most of Canada! Will a classic Canadian winter pattern hold through January and February? After a very mild fall across most of Canada, many places experienced one of ...

The coldest air of the early winter season is blasting the eastern U.S. on Monday with single-digit temperatures with the wind chill, as the Polar Vortex unravels and, with it, brings dangerous arctic ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air across half of the United States while the other half warms up. Texas will ...

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

A cold front from an expanding polar vortex brought chilly temperatures to North and Central Florida. Temperatures are expected to fluctuate, with more cold fronts arriving late Wednesday and early ...

A polar vortex is bringing another round of frigid, Arctic air to the Eastern United States. Temperatures across Tennessee are expected to drop into the low 20s and upper teens over the weekend. There ...

Freezing cold air, snow, and ice can raise the risk of frostbite, hypothermia, falls, and heart or breathing problems. We’ve got expert advice to be prepared. Polar vortex systems will bring ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...

Multiple states registered subzero temps on Friday, Dec. 5. The polar vortex has broken, and severe temperatures are dominating even in southern sates like Texas, which saw record breaking lows in the ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...

A polar vortex will bring arctic air and subzero temperatures to parts of the U.S. through the middle of the month, according to AccuWeather. This first of three likely rounds will impact the U.S.