As millions of Americans hunker down for the winter storm, 17 states and Washington, D.C., have declared states of emergency.

Follow live winter storm updates and breaking weather news as snowstorms are predicted to fall across the U.S. this weekend, ...

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

You're about to walk your dog, but the sky looks ominous. You pull out your phone, open your favorite weather app, and see that it's about to pour. You wait for the rain to pass. Or maybe you planned ...