Flash flooding is possible this evening, and over the weekend as rains continue.
The National Weather Service has issued a tornado watch for much of the D.C. area through 10 p.m. tonight.
The watch, effective from 2 p.m. this afternoon, covers most of the counties in the region, including: Anne Arundel, Charles, Howard Montgomery and Prince George's in Maryland; Arlington, Fairfax and Loudoun in Virginia; and the District of Columbia.
Meteorologists at NBC Washington say they are not expecting a significant tornado to touch down.
Tornado or no tornado, the storm system also has the potential to cause wind damage and flash flooding.
For the rest of the evening, clouds will stick around with a chance of rain and thunderstorms. The rainy weather is expected to stick around through the weekend as well.