A Flood Watch and a Severe Thunderstorm Watch has been issued for Arlington and the immediate D.C. area through early Monday.
Forecasters say there are concerns about strong thunderstorms developing later today and producing torrential rainfall, which could lead to flooding. There are already Flash Flood Warnings in areas well south and west of the metro area, with the bulk of the storm activity making its way east.
The watches are in effect until 1 a.m. Monday.
More from the National Weather Service:
A severe thunderstorm watch has been issued for parts of DE, DC, MD, NJ, PA, VA, WV until 1 AM EDT pic.twitter.com/RcUUVda8m3
— NWS Baltimore-Washington (@NWS_BaltWash) July 5, 2026
Flood Watch issued July 5 at 5:22PM EDT by NWS Baltimore MD/Washington DC
FLOOD WATCH IN EFFECT FROM 5:22 P.M. SUNDAY TO 1 A.M. EDT MONDAY.
* WHAT…Flash flooding caused by excessive rainfall is possible.
* WHERE…The District of Columbia, and portions of Maryland, including the following areas, Carroll, Central and Southeast Howard, Central and Southeast Montgomery, Frederick, Northwest Howard, Northwest Montgomery and Prince Georges, and northern Virginia, including the following areas, Arlington/Falls Church/Alexandria, Eastern Loudoun and Fairfax.
* WHEN…Until 1 AM EDT Monday.
* IMPACTS…Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS… – Thunderstorms will develop into an increasingly humid airmass this evening. This, combined with recent rainfall, may result in flash flooding, particularly along small streams and in urban areas. Localized totals of 2 to 4 inches of rain are possible. – 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.
We have expanded the Flood Watch into the Washington DC metro and north central Maryland through late this evening. Rainfall totals of 2-4" are possible from thunderstorms, which could result in flash flooding. Remain weather aware, and don't drive through flooded roads! pic.twitter.com/TkdArEXUzk
— NWS Baltimore-Washington (@NWS_BaltWash) July 5, 2026
