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.

A New York City subway flooded, brown water overflowed a New Jersey street and partially submerged vehicles, and the East Coast saw a torrent of rain that broke several rainfall records on Monday. The rainfall was part of a series of storms that set off flash flood warnings from Virginia to Pennsylvania.

Flooding was particularly high in Central Jersey along the Route 22 corridor in Watchung, Plainfield and North Plainfield.