Loudoun under Winter Weather Advisory from 10 p.m. today to 6 p.m. Monday
Precipitation could begin falling as early as 4 p.m. today in the form of rain with a 90 percent chance of snow, mainly after 9 p.m., according to NWS.
One to 2 inches of snow is possible.
Snow will continue into Monday morning, with 1 to 3 inches of accumulation possible.
On Monday night, there's an 80 percent chance of snow, with a low of 23 degrees.
Meteorologists say there's a 50 percent chance snow showers could continue into Tuesday, mainly before 3 p.m.