Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.
A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...
The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast.
Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...
Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...
Space.com on MSNOpinion
How Earth's atmosphere and climate come together to create a polar vortex
To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...
The polar vortex is unleashing an extreme cold wave across the United States, bringing a historic arctic blast, violent ...
A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.
The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...
Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.
As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...
Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results