A Winter Weather Advisory is in effect for most of Maryland and Northern Virginia on Tuesday from 5am-1pm, per the National Weather Service (NWS). According to the NWS, Freezing rain expected. Total ice accumulation of a light glaze to a few hundredths of an inch. A dusting to one tenth of an inch of snow is possible. This will affect portions of DC, central, north central, northeast, and northern Maryland, and northern Virginia from 5am to 1pm on Tuesday.