WGUS61 KLWX 261633

FFALWX



URGENT - IMMEDIATE BROADCAST REQUESTED

Flood Watch

National Weather Service Baltimore MD/Washington DC

1233 PM EDT Thu Jun 26 2025



MDZ004>006-008-503-505-507-508-VAZ506-526-270045-

/O.EXA.KLWX.FA.A.0018.250626T1900Z-250627T0400Z/

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

Frederick MD-Carroll-Northern Baltimore-Cecil-Northwest

Montgomery-Northwest Howard-Northwest Harford-Southeast Harford-

Eastern Loudoun-Northwest Prince William-

1233 PM EDT Thu Jun 26 2025



...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...



* WHAT...Flash flooding caused by excessive rainfall continues to be 

  possible.



* WHERE...Portions of Maryland, including the following areas, 

  Carroll, Cecil, Frederick MD, Northern Baltimore, Northwest 

  Harford, Northwest Howard, Northwest Montgomery and Southeast 

  Harford and northern Virginia, including the following areas, 

  Eastern Loudoun and Northwest Prince William.



* WHEN...Until midnight EDT tonight.



* 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...

  - Numerous thunderstorms are expected to develop later this

    afternoon and continue through late this evening ahead of an

    advancing backdoor front moving in from the northeast, as

    well as along terrain features to the west. As these

    boundaries collide, slow-moving/training thunderstorms are

    possible. Particularly concerned about this occurring over

    the I-95 corridor. Rainfall amounts of 1 to 2 are possible,

    with isolated amounts up to 4 inches possible. This could

    occur over a short period of time, potentially resulting in

    flash flooding.

  - 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.



&&



$$



DCZ001-MDZ011-013-014-016-504-506-VAZ053>057-527-270045-

/O.CON.KLWX.FA.A.0018.250626T1900Z-250627T0400Z/

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

District of Columbia-Southern Baltimore-Prince Georges-Anne

Arundel-Charles-Central and Southeast Montgomery-Central and

Southeast Howard-Fairfax-Arlington/Falls Church/Alexandria-

Stafford-Spotsylvania-King George-Central and Southeast Prince

William/Manassas/Manassas Park-

1233 PM EDT Thu Jun 26 2025



...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...



* WHAT...Flash flooding caused by excessive rainfall continues to be 

  possible.



* WHERE...District of Columbia, including the following , District 

  of Columbia, Maryland, including the following areas, Anne 

  Arundel, Central and Southeast Howard, Central and Southeast 

  Montgomery, Charles, Prince Georges and Southern Baltimore, and 

  Virginia, including the following areas, Arlington/Falls 

  Church/Alexandria, Central and Southeast Prince 

  William/Manassas/Manassas Park, Fairfax, King George, Spotsylvania 

  and Stafford.



* WHEN...Until midnight EDT tonight.



* 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...

  - Numerous thunderstorms are expected to develop later this

    afternoon and continue through late this evening ahead of an

    advancing backdoor front moving in from the northeast, as

    well as along terrain features to the west. As these

    boundaries collide, slow-moving/training thunderstorms are

    possible. Particularly concerned about this occurring over

    the I-95 corridor. Rainfall amounts of 1 to 2 are possible,

    with isolated amounts up to 4 inches possible. This could

    occur over a short period of time, potentially resulting in

    flash flooding.

  - 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.



&&



$$



CJL

