A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

Arctic air is creating chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even ...

Arctic air is creating chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even colder air from a disrupted polar vortex is expected to further plunge ...

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

Polar air is descending over Canada dropping temperatures nation-wide. The Weather Network's meteorologist Laura Power has ...

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

The polar vortex could be disturbed in a way that hasn't happened this early in 25 years. You’d be forgiven for being ...