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

Winter Storm Fern is gearing up to make a cross-country trek late this week and into the weekend, bringing winter weather ...

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

Severe thunderstorms are ongoing in the Southern Plains. You can track the threat for tornadoes, damaging winds, hail and flooding here using our maps. For the complete forecast and all of its details ...