Flash Flood Warning Issued for District of Columbia and Northern Virginia

Source: NOAA · District of Columbia and Northern Virginia

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NWS Baltimore MD/Washington DC has issued a Flash Flood Warning for the District of Columbia, Arlington County, Fairfax County, Alexandria, and Falls Church until 3:00 AM EDT.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
District of Columbia and Northern Virginia
Issued
September 4, 2026
Issuing authority
NWS Baltimore MD/Washington DC

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

Flash Flood Warning issued by NWS Baltimore MD/Washington DC. Effective from September 4, 2026 at 12:04 AM EDT until September 4, 2026 at 3:00 AM EDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

District of Columbia, DC; Arlington County in northern Virginia; East Central Fairfax County in northern Virginia; City of Alexandria in northern Virginia; City of Falls Church in northern Virginia. Specific locations 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.

What You Should Do

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. Report observed flooding to local emergency services or law enforcement.

Expected Conditions

At 12:04 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen. Expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 0.5 to 1 inch are possible. Hazard: Flash flooding caused by thunderstorms. Impact: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Timeline

Alert effective September 4, 2026 at 12:04 AM EDT. Expires and ends September 4, 2026 at 3:00 AM EDT.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Baltimore MD/Washington DC has issued a Flash Flood Warning for the District of Columbia, Arlington County, Fairfax County, Alexandria, and Falls Church until 3:00 AM EDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects District of Columbia and Northern Virginia. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.