Free health expo — WUSA9 will offer information and free screenings with the Reston Hospital Center and the YMCA Fairfax County Reston today. Head to the YMCA Fairfax County Reston at 12196 Sunset Hills Road from 7 a.m. to noon and 2-7 p.m. [WUSA9]

The Hungry Hungry Games — Kids ages 12 to 18 can eat snacks and play life-sized Hungry Hungry Hippos from 7-8:30 p.m. at the Great Falls Library. [Fairfax County]

Dabke choreography — Dabke, which is based on a Middle Eastern folk dance, is a line dance often performed at celebrations. The dance performance — in partnership with Dance Place — will take place starting at 8 p.m. tonight at CenterStage. Tickets cost $20 for Reston residents. [Reston Community Center]

Temporary Reston road closure this morning — Southbound on Fairfax County Parkway at Walnut Branch Road shut down due to an accident shortly before 5 a.m. The parkway opened back up around 5:11 a.m. [Fairfax County Police on Twitter]

Silver Line test trains hit track problems — “The first test train on Metro’s Silver Line extension to Dulles Airport made it only 1,000 feet out of the Wiehle-Reston East station before running into trouble, sources told News4 … But the two-car train, pushed by an older locomotive, made it about 1,000 feet along an 11-mile journey before it ran into issues with the new tracks, sources said.” [NBC4]