The first major winter storm of the new year barreled into the U.S. mid-Atlantic states on Monday, closing down federal offices and public schools in Washington, D.C., after dumping a foot of snow in parts of the Ohio Valley and Central Plains.

I​t could be days before power is restored and roads are clear after a winter storm cut a deadly, icy path across parts of the U.S. Several deaths were blamed on the storm that shut down interstates,

With the arrival of Monday's winter storm, Baltimore-area schools, offices, government services and more have announced cancellations, changes and closures that could linger into Tuesday. Here's what to know.