The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's ...

Tuesday morning will bring the coldest temperatures of the week, with lows dropping into the single digits above zero in the western Upper Peninsula interior, teens elsewhere in the U.P., and 20s ...

A blast of Arctic air is set to sweep across the Northeast, bringing snow squalls, hazardous travel conditions, and dangerously low temperatures, according to forecasters. Widespread wintry weather ...

Add Yahoo as a preferred source to see more of our stories on Google. Dangerously cold temperatures combined with wind gusts up to 60 mph are expected to cause life-threatening conditions across parts ...

A recent satellite photo captured a stunning scene of sediment swirling across the West Florida Shelf after an extreme cold ...

This is not a drill, y'all. This weekend will actually be chilly with a side of gloom.

A sudden stratospheric warming event that occurred March 4-8 is starting to show its effects, and its impacts will continue ...

Bitter cold conditions continue across the D.C. region Sunday, as wind chills dropped into the teens and even below zero early on. Skies will clear in the evening, setting up another chilly stretch ...

Another Arctic cold front will move south across Michigan Friday, putting Michigan fully in Arctic air for the weekend. Once we get into the Arctic air, our weather will turn quite dry. There doesn’t ...

Bryan Clark testifies in front of the Committee on Homeland Security on the strategic importance of hardening the Arctic. He ...