About 200 million Americans in 40 states can expect snow as three winter storms sweep across the nation over the next week.

Storm Watch has been issued for Arlington and much of the D.C. area. The watch takes effect Tuesday afternoon, with 4-6 inches of snow expected through Wednesday morning. That raises the possibility of school delays,

The National Weather Service is letting us know we’re in for a storm this weekend and we should get ready for up to 6 inches of snow.