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Flood in Sequoyah County, Oklahoma
82 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 82 flood events in Sequoyah County, Oklahoma, between 1950 and 2026, spread over 24 years.
May is the busiest month, with 27 of the recorded events. The last 20 years account for 62 events against 20 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.9% of the 4,346 flood events recorded in Oklahoma; its 12.2 per 100 square miles compares with 6.3 statewide.
NCEI attributes 2 deaths in the county to floods and flash floods.
Compared with Oklahoma
| Measure | Sequoyah County | Oklahoma | US |
|---|---|---|---|
| Flood events since 1950 | 82 | 4,346 | 183,559 |
| Per 100 square miles | 12.2 | 6.3 | 5.2 |
| Per 10,000 residents | 20.8 | 10.9 | 5.5 |
| Deaths recorded | 2 | 91 | 2,961 |
| Busiest month | May | May | June |
By year
Seasonality
0Feb
2Mar
3Apr
8May
27Jun
14Jul
6Aug
7Sep
7Oct
1Nov
2Dec
5
Recorded events
All 82 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 |
|---|---|---|---|---|---|---|---|
| 8 Jul 2025 | Flash Flood | — | — | — | — | — | County |
| 17 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2023 | Flood | — | — | — | — | — | County |
| 10 Jun 2022 | Flash Flood | — | — | — | — | — | County |
| 10 Jun 2022 | Flash Flood | — | — | — | — | — | County |
| 10 Jun 2022 | Flood | — | $50K | — | — | — | County |
| 10 Jun 2022 | Flood | — | — | — | — | — | County |
| 8 Jun 2022 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2022 | Flood | — | — | — | — | — | County |
| 5 May 2022 | Flash Flood | — | — | — | — | — | County |
| 5 May 2022 | Flood | — | — | — | — | — | County |
| 17 Aug 2021 | Flash Flood | — | $25K | — | — | — | County |
| 17 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 27 May 2021 | Flash Flood | — | — | — | — | — | County |
| 27 May 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Apr 2021 | Flash Flood | — | — | — | — | — | County |
| 7 Aug 2020 | Flash Flood | — | — | — | — | — | County |
| 15 May 2020 | Flash Flood | — | $10K | — | — | — | County |
| 15 May 2020 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2019 | Flash Flood | — | — | — | — | — | County |
| 7 Feb 2019 | Flash Flood | — | — | — | — | — | County |
| 13 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 13 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 19 May 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Apr 2017 | Flash Flood | — | — | — | — | — | County |
| 30 Dec 2015 | Flood | — | — | — | — | — | County |
| 29 Dec 2015 | Flood | — | — | — | — | — | County |
| 28 Dec 2015 | Flood | — | — | — | — | — | County |
| 28 Dec 2015 | Flood | — | — | — | — | — | County |
| 13 Dec 2015 | Flood | — | — | — | — | — | County |
| 18 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 19 May 2015 | Flash Flood | — | — | — | — | — | County |
| 19 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | — | — | — | — | County |
| 17 May 2015 | Flash Flood | — | $25K | — | — | — | County |
| 10 May 2015 | Flash Flood | — | — | — | — | — | County |
| 10 May 2015 | Flash Flood | — | — | — | — | — | County |
| 10 May 2015 | Flash Flood | — | — | — | — | — | County |
| 10 May 2015 | Flash Flood | — | $25K | — | — | — | County |
| 10 May 2015 | Flash Flood | — | — | — | — | — | County |
| 10 May 2015 | Flash Flood | — | — | — | — | — | County |
| 9 May 2015 | Flash Flood | — | — | — | — | — | County |
| 9 May 2015 | Flash Flood | — | — | — | — | — | County |
| 13 Apr 2015 | Flash Flood | — | — | — | — | — | County |
| 24 Jul 2013 | Flash Flood | — | — | — | — | — | County |
| 1 Jun 2013 | Flash Flood | — | — | — | — | — | County |
| 21 May 2013 | Flash Flood | — | — | — | — | — | County |
| 1 May 2011 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | $15K | — | — | — | County |
| 24 Apr 2011 | Flash Flood | — | — | — | — | — | County |
| 9 Sep 2010 | Flash Flood | — | $100K | — | — | — | County |
| 9 Sep 2010 | Flash Flood | — | $50K | — | — | — | County |
| 13 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 12 Aug 2008 | Flash Flood | — | $50K | — | — | — | County |
| 9 Apr 2008 | Flash Flood | — | $200K | — | — | — | County |
| 18 Mar 2008 | Flash Flood | — | $300K | — | — | — | County |
| 3 Mar 2008 | Flash Flood | — | — | — | — | — | County |
| 5 Jul 2007 | Flash Flood | — | $10K | — | — | — | County |
| 8 May 2007 | Flash Flood | — | $25K | — | — | — | County |
| 9 May 2006 | Flash Flood | — | — | — | — | — | County |
| 24 May 2005 | Flash Flood | — | $100K | — | — | — | County |
| 3 Jul 2004 | Flash Flood | — | $500K | — | — | — | County |
| 2 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 24 Apr 2004 | Flash Flood | — | — | — | 2 | — | County |
| 7 Apr 2002 | Flash Flood | — | — | — | — | — | County |
| 19 Mar 2002 | Flash Flood | — | — | — | — | — | County |
| 30 May 2001 | Flash Flood | — | — | — | — | — | County |
| 21 Jun 2000 | Flash Flood | — | $250K | — | — | — | County |
| 24 Jun 1999 | Flash Flood | — | — | — | — | — | County |
| 4 May 1999 | Flash Flood | — | — | — | — | — | County |
| 5 Oct 1998 | Flash Flood | — | $30K | — | — | — | County |
| 14 Sep 1998 | Flash Flood | — | — | — | — | — | County |
| 28 Jun 1997 | Flash Flood | — | — | — | — | — | County |
| 20 Feb 1997 | Flash Flood | — | — | — | — | — | County |
| 7 Nov 1996 | Flash Flood | — | — | — | — | — | County |
| 7 Nov 1996 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | $10K | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Sequoyah County had?
82 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 Sequoyah County?
8 Jul 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Sequoyah County?
The flash flood of 3 Jul 2004, with property damage estimated by NCEI at $500K.
How does Sequoyah County compare with Oklahoma for flood?
12.2 events per 100 square miles against 6.3 statewide; the county holds 82 of the state's 4,346 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.