A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

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

The UK is bracing itself for an Atlantic jet stream of up to 100mph which could see strong winds batter large parts of the ...

Add Yahoo as a preferred source to see more of our stories on Google. A split jet stream over the Pacific Ocean will help amplify a ridge of high pressure near the West coast, keeping California warm ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. As we head into a more active weather ...