We are still several days away from the event, but the ingredients will come together, including (1) the remnants of an arctic air mass; (2) relatively warm, moist air off the Atlantic sliding in overhead, and (3) an area of low pressure to pull it all together. When this vertical, layer-cake type of temperature structure develops east of the Blue Ridge Mountains in Jan-Feb, it often spells a wintry mix.
Below is the medium-range surface forecast map, for Friday morning, showing the storm approaching from the Ohio Valley, with cold air lingering over the Mid Atlantic. Note that this is NOT a coastal low or Nor'easter type of system, one that is not expected to become very intense, and also a fast mover - so I don't expect prodigious amounts of wintry mix. But there may be enough to create some local hazards, and prove to be an overall forecast headache: