More than five inches fell in some suburbs of the capital. The authorities in Maryland rescued dozens of people, including some who were stranded in their cars.

Major I-95 cities -- Philadelphia, Baltimore, Washington, D.C., and Richmond, Virginia -- could be impacted as heavy downpours could bring 2-3 inches of rainfall per hour over already saturated soils, which could easily cause flash flooding.

Flood Watch issued by NWS Baltimore MD/Washington due to excessive rainfall, with potential flash flooding in DC, MD, VA, and WV. Heavy showers expected; weekly forecast includes thunderstorms and high humidity.

The National Weather Service (NWS) in Sterling, Virginia on Wednesday issued Flash Flood Warnings for parts of Maryland, Washington DC, and northern Virginia

"Stranded", was how Piringer described those inside the building on the 7900 block of Meadowbrook Lane and inside the Meadowbrook Local Park

Late-day storms capped off the start of the workweek with heavy rain pounding the D.C. region in the middle of the afternoon rush and reports of water rescues in the Tysons area.