WGUS61 KLWX 042009

FFALWX



URGENT - IMMEDIATE BROADCAST REQUESTED

Flood Watch

National Weather Service Baltimore MD/Washington DC

409 PM EDT Tue Aug 4 2026



DCZ001-MDZ013-016-504-VAZ053>056-502-527-050415-

/O.NEW.KLWX.FA.A.0013.260805T0800Z-260805T1500Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

District of Columbia-Prince Georges-Charles-Central and Southeast

Montgomery-Fairfax-Arlington/Falls Church/Alexandria-Stafford-

Spotsylvania-Southern Fauquier-Central and Southeast Prince

William/Manassas/Manassas Park-

409 PM EDT Tue Aug 4 2026



...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY 

MORNING...



* WHAT...Flash flooding caused by excessive rainfall is possible.



* WHERE...The District of Columbia, in Maryland for the following 

  areas, Central and Southeast Montgomery, Charles and Prince 

  Georges, and Virginia, including the following areas, 

  Arlington/Falls Church/Alexandria, Central and Southeast Prince 

  William/Manassas/Manassas Park, Fairfax, Southern Fauquier, 

  Spotsylvania and Stafford.



* WHEN...From late tonight through Wednesday morning.



* IMPACTS...Excessive runoff may result in flooding of rivers, 

  creeks, streams, and other low-lying and flood-prone locations.



* ADDITIONAL DETAILS...

  - Showers are likely with isolated thunderstorms late tonight

    into Wednesday morning as a warm front lifts through the

    area. Rainfall will likely be heavy at times, with localized

    rainfall amounts around 2-4 inches within an hour or two

    possible. This may cause flash flooding in urban areas along

    with the possibility for creeks and streams to rise quickly

    out of their banks.

  - Please visit www.weather.gov/safety/flood for flood safety

    and preparedness information



PRECAUTIONARY/PREPAREDNESS ACTIONS...



You should monitor later forecasts and be prepared to take action 

should Flash Flood Warnings be issued.



&&



$$



BJL