A Flood Watch has been issued for Arlington and much of the immediate D.C. area.
While much of the day has been dry — if humid — forecasters say heavy rainfall is possible tonight (Saturday), potentially causing localized flooding. The watch is in effect until 10 p.m.
More from the National Weather Service:
Flood Watch issued June 27 at 4:14PM EDT by NWS Baltimore MD/Washington DC
FLOOD WATCH IN EFFECT FROM 4:14 P.M. TO 10 P.M. EDT SATURDAY.
A cold front has stalled over the DC metro. Increasing humidity is expected to lead to showers and thunderstorms with heavy rain through this evening.
* WHAT…Flash flooding caused by excessive rainfall is possible.
* WHERE…Washington DC, portions of central Maryland, including the following areas, Anne Arundel, Central and Southeast Montgomery and Prince Georges, and northern Virginia, including the following areas, Arlington/Falls Church/Alexandria and Fairfax.
* WHEN…Until 10 PM EDT this evening.
* IMPACTS…Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris.
* ADDITIONAL DETAILS… – Scattered to numerous showers producing heavy rain are anticipated through this evening. Localized rainfall amounts of 1 to 3 inches are possible in 1 to 2 hours, and may lead to rapid rises of water on streams and in poor drainage areas. – Please visit www.weather.gov/safety/flood for flood safety and preparedness information.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
The coverage of showers & t-storms looks to increase through this eve. as a stalled front remains nearby.Heavy rain will be the main threat leading to iso. instances of urban/poor drainage flooding.Not everyone will see rain w/ a focus along I-70 & points south toward I-66/US-50. pic.twitter.com/CAXFhysZug
— NWS Baltimore-Washington (@NWS_BaltWash) June 27, 2026