Arlington County and areas west will be under a Flood Watch tomorrow.
The National Weather Service expects 2-4 inches of rain to fall Tuesday in Northern Virginia, potentially flooding “creeks, streams, and other low-lying and flood-prone locations.”
The watch will be in effect from 6 a.m. Tuesday to 6 a.m. Wednesday.
More, below, from NWS.
125 PM EDT Mon May 12 2025
…FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY NIGHT…
* WHAT…Flooding caused by excessive rainfall continues to be possible. […]
* WHEN…From Tuesday morning through late Tuesday night.
* IMPACTS…Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded.
* ADDITIONAL DETAILS…
– While showers will spread into the area today, a prolonged period of moderate to heavy rain with embedded thunderstorms is expected late tonight into Tuesday night. Rainfall amounts of 2 to 4 inches are likely, with locally higher amounts possible along the eastern slopes of the Blue Ridge Mountains and Alleghenies. This rainfall may lead to scattered instances of flooding.
– Please visit www.weather.gov/safety/flood for flood safety and preparedness informationPRECAUTIONARY/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.
⚠️Flood Watches have been expanded to the north & east. This now covers western MD, the eastern WV panhandle, as well as the western D.C. metro and points southward. Totals rainfall amounts of 2-3" are expected, locally around 3-5" along the Blue Ridge. #MDwx #DCwx #VAwx #WVwx pic.twitter.com/EtgtfVj0lc
— NWS Baltimore-Washington (@NWS_BaltWash) May 12, 2025
