Multiple rounds of wintry weather will march across the United States this week, with one storm expected to bring heavy snow to the Mid-Atlantic, from Washington, D.C., to New York, while another just behind it affects a stretch from Kansas City to Chicago.

Back-to-back winter storms are predicted to affect 29 million Americans across the country. Here’s the latest from the National Weather Service. The National Weather Service has issued a winter storm watch from Tuesday morning until Wednesday morning,