Thick fog may make driving hazardous overnight

Fog seen on a traffic camera in Pentagon City
After a foggy morning, Saturday night and Sunday morning might be even foggier.
Dense fog has formed in Arlington and around the D.C. area, making driving increasingly hazardous as the fog gets thicker.
More, below, from the National Weather Service.
…LOCALLY DENSE FOG DEVELOPING EAST OF BLUE RIDGE…
Locally dense fog is now developing in many areas between the Blue Ridge and the Interstate 95 corridor, as a steady light to moderate rain