District of Columbia, Virginia Severe Flash Flood Warning | Effective 09/03/2026 21:04

Headline: 
Flash Flood Warning issued September 4 at 12:04AM EDT until September 4 at 3:00AM EDT by NWS Baltimore MD/Washington DC
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 3, 2026 - 9:04pm
Expires: 
September 4, 2026 - 12:00am
Description: 
FFWLWX The National Weather Service in Baltimore MD/Washington has issued a * Flash Flood Warning for... The Southwestern District of Columbia... Arlington County in northern Virginia... East Central Fairfax County in northern Virginia... The City of Alexandria in northern Virginia... The City of Falls Church in northern Virginia... * Until 300 AM EDT. * At 1204 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. 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... Arlington, Alexandria, Annandale, Springfield, Vienna, Groveton, Falls Church, Huntington, Mantua, Pimmit Hills, Crystal City, Reagan National Airport, Burke, Lincolnia, Tysons Corner, Franconia, Merrifield, Lake Barcroft, I395 and I495 Interchange and Ballston.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
District of Columbia, DC; Arlington, VA; Fairfax, VA; City of Alexandria, VA; City of Falls Church, VA
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov