


Flash Flood Watch
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
929 WGUS61 KLWX 172342 FFALWX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Baltimore MD/Washington DC 742 PM EDT Tue Jun 17 2025 DCZ001-MDZ013-504-VAZ054-180045- /O.CAN.KLWX.FA.A.0015.000000T0000Z-250618T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ District of Columbia-Prince Georges-Central and Southeast Montgomery-Arlington/Falls Church/Alexandria- 742 PM EDT Tue Jun 17 2025 ...FLOOD WATCH IS CANCELLED... The Flash Flood Watch is cancelled for portions of DC, including the following , District of Columbia, central Maryland, including the following areas, Central and Southeast Montgomery and Prince Georges, and northern Virginia, including the following area, Arlington/Falls Church/Alexandria. The flash flooding threat has ended. Therefore, the Flash Flood Watch is being cancelled. $$ VAZ025>027-029-030-036>040-050-051-053-501>504-506>508-526-527- WVZ505-506-180045- /O.CAN.KLWX.FA.A.0015.000000T0000Z-250618T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Augusta-Rockingham-Shenandoah-Page-Warren-Nelson-Albemarle-Greene- Madison-Rappahannock-Orange-Culpeper-Fairfax-Northern Fauquier- Southern Fauquier-Western Highland-Eastern Highland-Eastern Loudoun-Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park-Western Pendleton-Eastern Pendleton- 742 PM EDT Tue Jun 17 2025 ...FLOOD WATCH IS CANCELLED... The Flood Watch is cancelled for portions of Virginia, including the following areas, Albemarle, Augusta, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Culpeper, Eastern Highland, Eastern Loudoun, Fairfax, Greene, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Page, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Warren and Western Highland and eastern West Virginia, including the following areas, Eastern Pendleton and Western Pendleton. The flooding threat has ended. Therefore, the Flood Watch is being cancelled. $$ MDZ003-501-502-509-510-VAZ028-031-505-WVZ050>053-055-501>504-180400- /O.EXT.KLWX.FA.A.0015.000000T0000Z-250618T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Washington-Extreme Western Allegany-Central and Eastern Allegany- Western Garrett-Eastern Garrett-Frederick VA-Clarke-Western Loudoun-Hampshire-Morgan-Berkeley-Jefferson-Hardy-Western Grant- Eastern Grant-Western Mineral-Eastern Mineral- 742 PM EDT Tue Jun 17 2025 ...FLOOD WATCH NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Maryland, including the following areas, Central and Eastern Allegany, Eastern Garrett, Extreme Western Allegany, Washington and Western Garrett, Virginia, including the following areas, Clarke, Frederick VA and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Grant, Eastern Mineral, Hampshire, Hardy, Jefferson, Morgan, Western Grant 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. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Scattered showers and thunderstorms are expected this evening. Some thunderstorms will contain heavy rainfall, with rain amounts of 1 to 2 inches in an hour or two. Storms may also train over the same areas causing the possibility of locally higher amounts around 5 inches. - 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. && $$ MDZ004-503-180400- /O.CON.KLWX.FA.A.0015.000000T0000Z-250618T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Frederick MD-Northwest Montgomery- 742 PM EDT Tue Jun 17 2025 ...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and north central Maryland, including the following areas, in central Maryland, Northwest Montgomery. In north central Maryland, Frederick MD. * WHEN...Until midnight EDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers are likely with scattered thunderstorms this evening. Some thunderstorms will contain heavy rainfall, with rain amounts of 1 to 2 inches in an hour or two. Storms may also train over the same areas causing the possibility of locally higher amounts around 3 to 5 inches. Heavy rain in a short period of time may cause rapid rises in creeks and streams as well as potential flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ LFR