Toasty isn't exactly how you will describe the bone-numbing coming days. "Multiple waves of arctic air continue to gather over northern Canada with eyes for the central and eastern United States ...

Imagine it as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the pole. But here’s where things get interesting: the polar vortex’s behavior is closely ...

An Arctic air mass, sometimes known as a Siberian Express, is expected to move over Michigan by Sunday and will leave Michigan residents with below-zero temperatures for days, the National Weather ...

Imagine it like a children's spinning top. When the top is spinning fast and steady, all that icy air stays tightly locked around the arctic, keeping the freezing temperatures up north.

A powerful pattern is setting the stage for an amplified jet stream that will shunt cold air south, and the roots of this shift lie thousands of kilometres away in Japan. This January, the Arctic ...