Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south. The center of this ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That’s what’s happening starting Thursday when dangerously frigid air from ...

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

Watch as a massive bowl of Arctic air is set to bring extreme, potentially record-breaking cold temperatures to parts of the ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

A bitter blast of cold air settles over the D.C. region Tuesday as all eyes turn to a potential weekend winter storm that ...

CHICAGO — Midwesterners trudged ahead Thursday into a familiar, grim reality: temperatures well below zero, schools and businesses closed, stern warnings to wear extra layers or, better yet, just stay ...

A 2025 satellite image shows a series of ghostly ice swirls sculpted on the surface of Lake Michigan by strong winds during ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...