Millions of Americans from the Ohio Valley to the mid-Atlantic are bracing for a wintry Monday with heavy snowfall, ice, rain and storms, which are forecast to disrupt morning commutes and snarl airline schedules across the East Coast.

As a massive winter storm is rolling through regions of the United States on Monday, see pictures of snow from across the Midwest and East Coast.

A massive winter storm system is dumping snow across a large swath of the United States, causing major travel disruptions. Roads are treacherous in many areas and thousands of flights have been canceled or delayed.

A deadly winter storm is pummeling Washington, DC, and the mid-Atlantic Monday after causing hundreds of crashes and flight cancellations and knocking out power to hundreds of thousands in the central United States over the weekend.

A major storm system that blanketed a large swathe of the central and eastern United States in snow and ice -- disrupting travel for millions and contributing to at least five deaths -- was headed offshore Monday night,