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

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

Winter storm warnings and advisories extended from Montana to Ohio, the National Weather Service said. Forecasters warned ...

More than 200 million people are under winter storm threats as officials brace for power outages and travel difficulties.

Power outages were reported across the South as a monster storm began wreaking havoc across much of the country.