The biggest swings in the jet stream are associated with the most energy. Under the right conditions, that energy can bounce ...

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

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

"Potentially hundreds of thousands of people may go without electricity and heat for days, one meteorologist said ...

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

Washington will be hit with over a foot of snow. The metro area has four million people. Climate change is a trigger. The ...

A storm riding the edge of incoming polar air could bring the D.C. region a meaningful snowfall Sunday, but the exact track ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

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

A massive winter storm headed towards the northeast United States on Sunday after sweeping across much of the country, ...

A massive winter storm dumped snow and freezing rain on New Mexico and Texas Saturday as it spread across the United States ...