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 ...

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 ...

A blast of Arctic air is bringing cold weather to New England over the next several days. Wind chill values in the mornings are going to be 0 to 15 below, with the coldest areas across the hillier ...

A blast of Arctic air is expected to arrive in Mississippi soon as the Arctic jet stream pushes farther South than usual and allows air from as far as Siberia to move into the U.S., according to ...

Cohocton, NY dropped down to -10 with Olean, NY reaching -16 this morning. Fortunately, the Arctic air is going to slowly moderate over the coming days. It will still feel bitter cold this evening ...

A dangerously cold Colorado weekend is approaching. Arctic air with windchills as cold as 30 degrees below zero is set to blanket Denver, and it will bring some snow. We are still 72 hours away ...