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 ...

A wave of scratches from the Yukon Arctic Ultra this past week might be frustrating for racers and organizers, but it's also turning into a headache for one German researcher. Mathias Steinach ...

Expect a mix of sunshine and clouds this afternoon, before much colder arctic air arrives this evening, dropping temperatures into the 20s overnight into Sunday morning. We’ll see some sunshine on ...

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 ...

Monday also marks another blast of arctic air into New Mexico. This air will be much colder than the first arctic blast we saw on Saturday. Many locations could see record low high temperatures Monday ...

It's billed as the "world's coldest and toughest ultra" — and the annual Yukon Montane Arctic Ultra is again living up to its reputation this year. Of the 37 walkers, skiers and bikers who ...

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 ...