Note: The Flash Flood Warning has been canceled for the DC region. The most recent warning issuance before the cancellation is below.
A Flash Flood Warning remains in effect to 9:30 pm Wednesday, June 18, 2025 including the following jurisdictions.
MARYLAND: southeastern Montgomery.
Excerpted from the National Weather Service:
…FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT THIS EVENING FOR SOUTHEASTERN MONTGOMERY COUNTY…
At 723 PM EDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD…Flash flooding caused by thunderstorms.
SOURCE…Emergency management reported.
IMPACT…Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Some locations that will experience flash flooding include…
Germantown… Rockville…
Bethesda… Gaithersburg…
Olney… Aspen Hill…
Potomac… North Bethesda…
Montgomery Village… North Potomac…
Fairland… White Oak…
Redland… Great Falls…
Colesville… Kemp Mill…
Chevy Chase… North Kensington…
South Kensington… Forest Glen…
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Turn around, don’t drown when encountering flooded roads. Most flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.