"I’m not implying we’re done with all warm weather in what has been a non-record setting, though very warm, summer. But the evidence strongly suggests we are past the peak heating we have experienced ...

Predictions from the National Weather Serice and Farmers' and Old Farmer's almanacs show a snowy winter ahead.

These polar vortex stretches are happening more frequently as the world — and especially the Arctic — warms, a 2021 paper published in the journal Science, also co-authored by Cohen, demonstrated.

The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas. CBS News correspondent Nicole Valdes reports on the historic low ...

The long polar air outbreak peaked Wednesday in terms of intensity and breadth of the United States, said National Weather Service meteorologist Andrew Orrison of the Weather Prediction Center.

But at times some of the vortex can break off or move south, bringing unusually cold weather south and permitting warmer weather to creep up north.