Heavy rains Monday triggered flash floods in multiple East Coast states, resulting in chaos on roads and transit systems and at least two fatalities in New Jersey.

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 has issued more than 3,000 flash flood warnings nationwide so far in 2025, marking the highest number on record for this time of year since tracking began in 1986. And the DMV region is far from exempt.

High humidity levels, summer heat and long days will combine to produce conditions favorable for drenching thunderstorms leading to additional flash flooding in the coming days in many parts of the U.

Intense rain swamped the East Coast Monday, setting off dangerous flash flooding from Virginia to New York that killed at least two people and prompted dozens of rescues as water overwhelmed roads and subways.

The catastrophic Texas flash flood along the Guadalupe River is simply heartbreaking. What can be learned and applied here in Western Washington?