Snow that falls in portions of the Washington area could be heavy and wet. Washington region forecast detailsWhile forecast confidence for heavy snow is highest around New York City and Boston, a very disruptive, heavy snowfall is possible in Washington if everything comes together just right. The GFS model snowfall forecast is a top-end scenario for the D.C. region if all ingredients for snow came together. NAM model total snowfall forecast … shows lower-end totals inside the Beltway and to the southeast. The edge of a heavy precipitation area is always trickiest to forecast because a slight shift could make the difference between missing the heavy precipitation or getting hammered.

Source: Washington Post March 12, 2017 16:00 UTC