Once snow is underway, temperatures are near freezing, but they rise above freezing when it’s not snowing. Much of the area is seeing moderate snow and some bands of heavy snow have set up as well. NWS forecast as of 9:30 a.m.9:35 a.m update: Snow is now falling across much of the area, and it is sticking as well. Temperatures have responded to the onset of snow by falling to near freezing or a little above. We continue to see a snow shield develop across the area early this morning.

Source: Washington Post December 09, 2017 10:00 UTC