The National Weather Service has issued a Freezing Rain Advisory for Fairfax County in effect until 6 p.m. Monday.
Freezing rain is expected to move into the area by mid-day will potentially cause dangerous spots on roadways, bridges and sidewalks.
Little or no accumulation is expected, the NWS says.
Also, there is almost no change of white Christmas in Reston later this week. Temperatures on Wednesday, Christmas Eve day, will be close to 60 degrees and rainy. The Christmas Day forecast is partly sunny with a high of 51.