Tens of millions of Americans are bracing for a massive winter storm Sunday, which is forecast to bring the heaviest snowfall and coldest temperatures to parts of the country in over a decade. The polar vortex has already prompted states of emergency in the Plains,

Tens of millions of people were bracing Sunday for a massive winter storm forecast to bring the heaviest snowfall and coldest temperatures in over a decade to parts of the country.

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.

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 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,