9/4/2026 12:04:00 AM until 9/4/2026 3:00:00 AM

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.