Flood Watch

Locations Affected

Washington, DC ∙ Alexandria, VA ∙ Frederick, MD ∙ Rockville, MD ∙ Gaithersburg, MD ∙ Harrisonburg, VA ∙ Bagtown, MD ∙ Marumsco, VA ∙ Garrett Park, MD ∙ Bailey's Crossroads, VA

Full Alert Message

Flood Watch National Weather Service Baltimore MD/Washington DC 641 PM EDT Tue May 13 2025 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT WEDNESDAY... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Central and Eastern Allegany, Central and Southeast Montgomery, Eastern Garrett, Extreme Western Allegany, Frederick MD, Northwest Montgomery and Washington, Virginia, including the following areas, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, King George, Northern Fauquier, Northwest Prince William, Orange, Southern Fauquier, Spotsylvania, Stafford and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Mineral, Hampshire, Jefferson, Morgan and Western Mineral. * WHEN...Until 6 AM EDT Wednesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - A prolonged period of moderate to heavy rain showers with embedded thunderstorms is expected through late tonight. Rainfall amounts of 2 to 4 inches are likely, with locally higher amounts possible along the eastern slopes of the Blue Ridge and Allegheny Mountains. This rainfall may lead to scattered instances of flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

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