Slow-moving downpours could cause flooding in Arlington and the D.C. area Friday night.
That’s according to the National Weather Service, which just issued a Flood Watch for much of the region, nearly 24 hours in advance. In addition to the potential flooding, there could also be severe storms tomorrow evening, forecasters say.
The Flood Watch will take effect starting at 7 p.m. Friday.
More, below, from NWS.
831 PM EDT Thu May 29 2025
…FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY NIGHT…
* WHAT…Flash flooding caused by excessive rainfall is possible. […]
* WHEN…From Friday evening through late Friday night.
* IMPACTS…Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS…
– As a wavy slow moving frontal system tracks across the area, multiple rounds of showers and thunderstorms are possible. While initially posing a severe weather threat, a shift to a slow moving complex of moderate to heavy rain unfolds into the evening and night. Storm totals could reach 2 to 3 inches, locally nearing 4 inches in spots.
– Please visit www.weather.gov/safety/flood for flood safety and preparedness informationPRECAUTIONARY/PREPAREDNESS ACTIONS…
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
A Flood Watch has been issued for all locations east of the Blue Ridge & Catoctins from 7 PM Fri through 4 AM Sat. This is for the risk of flash flooding given the potential of multiple rounds of storms, some of which may produce up to 2 to 3 inches of rain. #MDwx #DCwx #VAwx pic.twitter.com/9N438KTT7G
— NWS Baltimore-Washington (@NWS_BaltWash) May 30, 2025
It is looking like an active weather day for the region on Fri. A frontal system meandering about the area will increase the risk for severe storms & flooding/flash flooding. For more, check out updates on our social accounts & on https://t.co/5RyZgpeTAT #MDwx #VAwx #DCwx #WVwx pic.twitter.com/Sa18APGC4c
— NWS Baltimore-Washington (@NWS_BaltWash) May 29, 2025
