Active Weather Alerts
River Flood Watch
Issued: 4:27 AM May. 14, 2025 – National Weather Service
...FLOOD WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON TO LATE FRIDAY EVENING... * WHAT...Flooding is possible. * WHERE...Potomac River at Little Falls. * WHEN...From Thursday afternoon to late Friday evening. * IMPACTS...At 11.0 feet, Water covers the towpath between Swains Lock and Pennyfield Lock, mileposts 17 to 19 on the C&O Canal. * ADDITIONAL DETAILS... - At 11:45 PM EDT Tuesday the stage was 4.7 feet, or 5.3 feet below flood stage. - Forecast...Flood stage may be reached early tomorrow afternoon. - Flood stage is 10.0 feet. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information && River Name Fld Observed Wed Wed Wed Crest Location Stg Stg Day/Time 8AM 2PM 8PM Stg Time Date Potomac River Little Falls 10.0 4.7 Tue 11 pm 4.7 4.8 5.3 11.0 2am Fri &&
Flood Watch
Issued: 10:42 PM May. 13, 2025 – National Weather Service
...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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