A massive winter storm named fern is set to sweep across much of the United States, bringing snow, ice and extreme cold. Over 230 million people could be affected, with major travel and power ...

As millions of Americans hunker down for the winter storm, 19 states and Washington, D.C., have declared states of emergency.

Track the winter storm as it's forecasted to bring heavy snow and extremely cold weather to the U.S., reaching millions from the southern U.S. to the Northeast.

Heavy snow, ice and brutal cold are expected to make this winter storm a potentially life-threatening weather event, ...

Add Yahoo as a preferred source to see more of our stories on Google. An Arctic front is diving deep into the United States this weekend, sending temperatures plummeting across all 48 contiguous ...

For the vast majority of the United States, it was not a white Christmas as unseasonably warm temperatures kept winter weather at bay. However, some heavy snow is coming for parts of the country a day ...

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map makes clear which regions are most exposed. Forecast models show a sharp ...