Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can seem counterintuitive. Record cold temperatures are once again expected to ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

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

A major ice storm is expected to impact multiple states from Texas to Georgia this weekend, ...

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with ...

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...