


Flash Flood Watch
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
709 WGUS61 KLWX 142118 FFALWX Flood Watch National Weather Service Baltimore MD/Washington DC 518 PM EDT Mon Jul 14 2025 ...Tropical moisture will combine with a slow moving frontal system to produce very heavy rainfall. A mixture of slow moving storms and the potential for multiple rounds of convection will increase the risk of flash flooding... DCZ001-MDZ003>006-008-011-013-014-016>018-501>508-VAZ025>031-036>040- 050-051-053>057-501-502-505>508-526-527-WVZ050>053-055-503-504- 150400- /O.CON.KLWX.FA.A.0026.000000T0000Z-250715T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ District of Columbia-Washington-Frederick MD-Carroll-Northern Baltimore-Cecil-Southern Baltimore-Prince Georges-Anne Arundel- Charles-St. Marys-Calvert-Extreme Western Allegany-Central and Eastern Allegany-Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard- Northwest Harford-Southeast Harford-Augusta-Rockingham-Shenandoah- Frederick VA-Page-Warren-Clarke-Nelson-Albemarle-Greene-Madison- Rappahannock-Orange-Culpeper-Fairfax-Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-King George-Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern Loudoun- Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park-Hampshire-Morgan-Berkeley- Jefferson-Hardy-Western Mineral-Eastern Mineral- 518 PM EDT Mon Jul 14 2025 ...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Anne Arundel, Calvert, Carroll, Cecil, Central and Eastern Allegany, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Extreme Western Allegany, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, St. Marys and Washington, Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Augusta, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Greene, King George, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Page, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Mineral, Hampshire, Hardy, Jefferson, Morgan and Western Mineral. * 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... - Showers and thunderstorms producing heavy rainfall continue to move across the area through this evening. Rainfall rates up to 2 to 3 inches per hour are likely, that could lead to scattered instances of flash flooding. This is most likely in areas that see multiple rounds of storms, and that could see storm total rain amounts of 4 to 6 inches. - 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. && $$ KR