The National Weather Service has issued a Flood Watch for Arlington, Alexandria, Fairfax County, the District and surrounding areas.
The watch is now in effect and goes through 9 p.m. Heavy storms are expected this afternoon and evening, with the potential for flash flooding from excessive rainfall.
Localized rainfall amounts of 1 to 2 inches within an hour are possible. Total amounts could reach 2 to 4 inches as multiple storm rounds move through the region.
More, below, from the National Weather Service.
1157 AM EDT Wed Aug 13 2025
…Flood Watch IN EFFECT UNTIL 9 PM EDT THIS EVENING…
* WHAT…Flash flooding caused by excessive rainfall is possible.
* WHERE…Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Anne Arundel, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Northern Baltimore, Northwest Harford, Prince Georges, Southeast Harford and Southern Baltimore, and Northern Virginia, including the following areas, Arlington/Falls Church/Alexandria and Fairfax.
* WHEN…Until 9 PM EDT this evening.
* 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…
– Thunderstorms are likely this afternoon into this evening with heavy rainfall within a short period of time. Localized rainfall amounts around 1 to 2 inches within an hour are likely. Multiple rounds of storms are possible with total rainfall amounts around 2 to 4 inches. This may cause creeks and small streams to rise out of their banks with flash flooding possible.
– 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.
Do not drive through flooded roads. Turn Around, Don’t Drown.
A Flood Watch is in effect for the Baltimore/DC metro areas from 2pm-9pm. Multiple rounds of slow moving thunderstorms this afternoon & evening will lead to instances of urban flash flooding. Have a way to get warning via phone, tv, internet, or radio! #MDwx #VAwx #WVwx #DCwx pic.twitter.com/iLepom1Hwy
— NWS Baltimore-Washington (@NWS_BaltWash) August 13, 2025
