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Flood in Washington County, Arkansas
143 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 143 flood events in Washington County, Arkansas, between 1950 and 2026, spread over 24 years.
April is the busiest month, with 28 of the recorded events. The last 20 years account for 120 events against 23 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 2.5% of the 5,685 flood events recorded in Arkansas; its 15.2 per 100 square miles compares with 10.9 statewide.
NCEI attributes 5 deaths in the county to floods and flash floods.
Compared with Arkansas
| Measure | Washington County | Arkansas | US |
|---|---|---|---|
| Flood events since 1950 | 143 | 5,685 | 183,559 |
| Per 100 square miles | 15.2 | 10.9 | 5.2 |
| Per 10,000 residents | 5.7 | 18.8 | 5.5 |
| Deaths recorded | 5 | 92 | 2,961 |
| Busiest month | April | May | June |
By year
Seasonality
2Feb
3Mar
8Apr
28May
18Jun
27Jul
22Aug
5Sep
8Oct
10Nov
1Dec
11
Recorded events
All 143 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 22 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 23 Sep 2025 | Flash Flood | — | — | — | — | — | County |
| 23 Sep 2025 | Flash Flood | — | — | — | — | — | County |
| 28 Aug 2025 | Flash Flood | — | — | — | — | — | County |
| 7 Jun 2025 | Flood | — | — | — | — | — | County |
| 19 May 2025 | Flash Flood | — | — | — | — | — | County |
| 19 May 2025 | Flash Flood | — | — | — | — | — | County |
| 19 May 2025 | Flash Flood | — | — | — | — | — | County |
| 4 Apr 2025 | Flash Flood | — | — | — | — | — | County |
| 5 May 2022 | Flash Flood | — | $50K | — | — | — | County |
| 5 May 2022 | Flash Flood | — | — | — | — | — | County |
| 5 May 2022 | Flood | — | — | — | — | — | County |
| 5 May 2022 | Flash Flood | — | — | — | 1 | — | County |
| 13 Apr 2022 | Flash Flood | — | $50K | — | — | — | County |
| 17 Dec 2021 | Flash Flood | — | — | — | — | — | County |
| 17 Dec 2021 | Flash Flood | — | — | — | — | — | County |
| 17 Dec 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 19 Mar 2020 | Flash Flood | — | — | — | — | — | County |
| 10 Jan 2020 | Flash Flood | — | $10K | — | — | — | County |
| 6 Oct 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Oct 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Oct 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Oct 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Oct 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Oct 2019 | Flash Flood | — | — | — | — | — | County |
| 24 Sep 2019 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | $10K | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | $20K | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 7 Feb 2019 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | 1 | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | 1 | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 26 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 21 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 30 Dec 2015 | Flood | — | — | — | — | — | County |
| 29 Dec 2015 | Flood | — | — | — | — | — | County |
| 29 Dec 2015 | Flood | — | — | — | — | — | County |
| 28 Dec 2015 | Flood | — | — | — | — | — | County |
| 27 Dec 2015 | Flood | — | — | — | — | — | County |
| 27 Dec 2015 | Flood | — | — | — | — | — | County |
| 27 Dec 2015 | Flood | — | — | — | — | — | County |
| 13 Dec 2015 | Flood | — | — | — | — | — | County |
| 9 Jul 2015 | Flash Flood | — | — | — | — | — | County |
| 7 Jul 2015 | Flash Flood | — | — | — | — | — | County |
| 7 Jul 2015 | Flash Flood | — | — | — | — | — | County |
| 7 Jul 2015 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2015 | Flash Flood | — | $15K | — | — | — | County |
| 26 Jun 2015 | Flash Flood | — | $100K | — | — | — | County |
| 18 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 24 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | — | — | — | — | County |
| 11 May 2015 | Flash Flood | — | — | — | — | — | County |
| 10 Oct 2014 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2013 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2013 | Flash Flood | — | — | — | — | — | County |
| 31 Jul 2013 | Flash Flood | — | $200K | — | — | — | County |
| 10 May 2013 | Flash Flood | — | — | — | — | — | County |
| 18 Apr 2013 | Flash Flood | — | — | — | — | — | County |
| 20 Mar 2012 | Flash Flood | — | — | — | — | — | County |
| 19 Mar 2012 | Flash Flood | — | — | — | — | — | County |
| 19 Mar 2012 | Flash Flood | — | — | — | — | — | County |
| 19 Mar 2012 | Flash Flood | — | — | — | — | — | County |
| 23 May 2011 | Flash Flood | — | — | — | — | — | County |
| 23 May 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | 1 | — | County |
| 25 Apr 2011 | Flash Flood | — | $100K | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | $50K | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 23 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 9 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 15 Jul 2010 | Flash Flood | — | $10K | — | — | — | County |
| 15 Jul 2010 | Flash Flood | — | $10K | — | — | — | County |
| 15 Jul 2010 | Flash Flood | — | $5K | — | — | — | County |
| 15 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 15 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 13 Jul 2010 | Flash Flood | — | $20K | — | — | — | County |
| 13 Jul 2010 | Flash Flood | — | $40K | — | — | — | County |
| 13 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 13 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 13 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 12 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2010 | Flash Flood | — | — | — | — | — | County |
| 29 Oct 2009 | Flash Flood | — | — | — | — | — | County |
| 8 Oct 2009 | Flash Flood | — | $45K | — | — | — | County |
| 5 Aug 2009 | Flash Flood | — | — | — | — | — | County |
| 9 Jun 2009 | Flash Flood | — | — | — | — | — | County |
| 14 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 3 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 22 Apr 2008 | Flash Flood | — | — | — | — | — | County |
| 10 Apr 2008 | Flash Flood | — | $100K | — | — | — | County |
| 31 Mar 2008 | Flash Flood | — | — | — | — | — | County |
| 18 Mar 2008 | Flash Flood | — | — | — | 1 | — | County |
| 3 Mar 2008 | Flash Flood | — | — | — | — | — | County |
| 20 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2004 | Flash Flood | — | $100K | — | — | — | County |
| 22 Apr 2004 | Flash Flood | — | $7.0M | — | — | — | County |
| 7 Apr 2002 | Flash Flood | — | — | — | — | — | County |
| 10 Aug 2001 | Flash Flood | — | — | — | — | — | County |
| 13 Jul 2001 | Flash Flood | — | — | — | — | — | County |
| 17 May 2001 | Flash Flood | — | — | — | — | — | County |
| 24 Feb 2001 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 2000 | Flash Flood | — | — | — | — | — | County |
| 21 Jun 2000 | Flash Flood | — | $450K | — | — | — | County |
| 17 Jun 2000 | Flash Flood | — | $40K | — | — | — | County |
| 30 Jun 1999 | Flash Flood | — | $450K | — | — | — | County |
| 3 Apr 1999 | Flash Flood | — | — | — | — | — | County |
| 5 Oct 1998 | Flash Flood | — | — | — | — | — | County |
| 25 May 1998 | Flood | — | $5K | — | — | — | County |
| 4 Jan 1998 | Flash Flood | — | $10K | — | — | — | County |
| 16 Jun 1997 | Flash Flood | — | — | — | — | — | County |
| 20 Feb 1997 | Flash Flood | — | — | — | — | — | County |
| 7 Nov 1996 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 10 May 1996 | Flash Flood | — | — | — | — | — | County |
| 10 May 1996 | Flash Flood | — | — | — | — | — | County |
| 22 Apr 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Washington County had?
143 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Washington County?
22 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Washington County?
The flash flood of 22 Apr 2004, with property damage estimated by NCEI at $7.0M.
How does Washington County compare with Arkansas for flood?
15.2 events per 100 square miles against 10.9 statewide; the county holds 143 of the state's 5,685 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.