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 disruptions expected.

The storm will usher in frigid temperatures and spread heavy snow and ice across a 2,000-mile stretch of the country.

A powerful winter storm is set to impact millions across the United States this weekend, bringing snow, freezing rain, and dangerous ice pellets. Experts warn the South could be hit hardest, with widespread power outages possible.