Police briefly shut down streets as Ferguson protesters continue to march through downtown D.C.
Buses, which regularly run until 10 p.m., will stop service earlier because of the weather conditions.
The lanes are blocked near Exit 13. A brush fire is reported in the area.
Crowds flooded Metro trains on Wednesday, and Thursday is expected to be similarly busy, officials warn.
Crews are scheduled to begin an extensive inspection of the Memorial Bridge today, resulting in lane closures between 9 a.m. and 3 p.m.
Prince William County Officer Chris Yung, 35, was killed when his motorcycle struck a minivan earlier this week.
Besides a big midweek storm, commuters need to watch out for some new work on the roads and rails.
We won't be liveblogging the morning commute on Wednesday, but we will be liveblogging the afternoon and evening commute before, during and after the Nationals playoff game.