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

Track everything from current conditions, forecast timing and potential impacts from the winter storm here.

Forecasters say over half the U.S. population could be affected by snow, ice or bitter cold as a winter storm sweeps across the county.

We've got yet another very cold and snowy weekend on tap in Boston. Here's what the weather forecast maps show.

If you’re one of the millions traveling home this weekend, you’ll want to stay up to date on how weather could affect your plans. Winter Storm Bellamy will snarl traffic for many. We’ve created a ...

Millions of Americans are experiencing severe weather conditions this week as heavy rainfall, extreme heat and thunderstorms are forecast across the U.S., with life-threatening conditions possible in ...