Coming up today in the D.C. region:

Wintry weather: Snow may sneak in with rain tonight as temperatures begin to tumble, making for a chilly holiday weekend.

Metro track work: Metro will shut down five Blue and two Orange line stations tonight at 10 p.m. through Monday.

Sunken ship: Crew members aboard the HMS Bounty when it sank during Hurricane Sandy will testify before a federal safety panel in Virginia.

Beyonce in D.C.: Tickets for Beyonce’s July 30 show at the Verizon Center go on sale at 10 a.m.