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Flood in Wagoner County, Oklahoma
77 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 77 flood events in Wagoner County, Oklahoma, between 1950 and 2026, spread over 24 years.
May is the busiest month, with 37 of the recorded events. The last 20 years account for 53 events against 24 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.8% of the 4,346 flood events recorded in Oklahoma; its 13.7 per 100 square miles compares with 6.3 statewide.
Compared with Oklahoma
| Measure | Wagoner County | Oklahoma | US |
|---|---|---|---|
| Flood events since 1950 | 77 | 4,346 | 183,559 |
| Per 100 square miles | 13.7 | 6.3 | 5.2 |
| Per 10,000 residents | 9.2 | 10.9 | 5.5 |
| Deaths recorded | 0 | 91 | 2,961 |
| Busiest month | May | May | June |
By year
Seasonality
1Feb
0Mar
4Apr
6May
37Jun
7Jul
4Aug
3Sep
6Oct
2Nov
4Dec
3
Recorded events
All 77 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 |
|---|---|---|---|---|---|---|---|
| 10 Apr 2026 | Flash Flood | — | — | — | — | — | County |
| 25 May 2025 | Flash Flood | — | — | — | — | — | County |
| 25 May 2025 | Flash Flood | — | — | — | — | — | County |
| 25 May 2025 | Flash Flood | — | — | — | — | — | County |
| 3 Nov 2024 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2021 | Flash Flood | — | $30K | — | — | — | County |
| 1 Jul 2021 | Flash Flood | — | $5K | — | — | — | County |
| 27 May 2020 | Flash Flood | — | — | — | — | — | County |
| 27 May 2020 | Flash Flood | — | — | — | — | — | County |
| 15 May 2020 | Flash Flood | — | — | — | — | — | County |
| 15 May 2020 | Flash Flood | — | — | — | — | — | County |
| 15 May 2020 | Flash Flood | — | — | — | — | — | County |
| 21 May 2019 | Flash Flood | — | — | — | — | — | County |
| 20 May 2019 | Flash Flood | — | — | — | — | — | County |
| 19 May 2017 | Flash Flood | — | — | — | — | — | County |
| 29 May 2016 | Flash Flood | — | — | — | — | — | County |
| 29 May 2016 | Flash Flood | — | — | — | — | — | County |
| 28 Dec 2015 | Flood | — | — | — | — | — | County |
| 27 Dec 2015 | Flood | — | — | — | — | — | County |
| 26 Dec 2015 | Flash Flood | — | — | — | — | — | County |
| 27 Nov 2015 | Flash Flood | — | — | — | — | — | County |
| 29 May 2015 | Flash Flood | — | — | — | — | — | County |
| 29 May 2015 | Flash Flood | — | — | — | — | — | County |
| 29 May 2015 | Flood | — | — | — | — | — | County |
| 24 May 2015 | Flash Flood | — | — | — | — | — | County |
| 24 May 2015 | Flood | — | $15K | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 10 May 2015 | Flash Flood | — | — | — | — | — | County |
| 18 Apr 2013 | Flash Flood | — | — | — | — | — | County |
| 19 Mar 2012 | Flash Flood | — | — | — | — | — | County |
| 9 Sep 2010 | Flash Flood | — | $35K | — | — | — | County |
| 19 May 2010 | Flash Flood | — | — | — | — | — | County |
| 8 Oct 2009 | Flash Flood | — | — | — | — | — | County |
| 21 Sep 2009 | Flash Flood | — | — | — | — | — | County |
| 21 Sep 2009 | Flash Flood | — | — | — | — | 1 | County |
| 21 Sep 2009 | Flash Flood | — | $50K | — | — | — | County |
| 9 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 27 May 2008 | Flash Flood | — | — | — | — | — | County |
| 10 Apr 2008 | Flash Flood | — | — | — | — | — | County |
| 8 Apr 2008 | Flash Flood | — | $10K | — | — | — | County |
| 31 Mar 2008 | Flash Flood | — | — | — | — | — | County |
| 31 Mar 2008 | Flash Flood | — | — | — | — | — | County |
| 18 Mar 2008 | Flash Flood | — | $25K | — | — | — | County |
| 7 Jan 2008 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2007 | Flash Flood | — | — | — | — | — | County |
| 24 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 1 Jul 2007 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2007 | Flash Flood | — | $1K | — | — | — | County |
| 23 Jun 2007 | Flash Flood | — | $10K | — | — | — | County |
| 7 May 2007 | Flash Flood | — | $10K | — | — | — | County |
| 27 Aug 2006 | Flash Flood | — | — | — | — | — | County |
| 4 May 2006 | Flash Flood | — | $500K | — | — | — | County |
| 13 May 2004 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2003 | Flash Flood | — | $25K | — | — | — | County |
| 17 May 2002 | Flash Flood | — | $20K | — | — | — | County |
| 29 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 30 May 2001 | Flash Flood | — | — | — | — | — | County |
| 6 May 2000 | Flash Flood | — | $600K | — | — | — | County |
| 1 Jul 1999 | Flood | — | — | — | — | — | Forecast zone |
| 30 Jun 1999 | Flash Flood | — | $15K | — | — | — | County |
| 24 Jun 1999 | Flood | — | — | — | — | — | Forecast zone |
| 10 Jun 1999 | Flash Flood | — | — | — | — | — | County |
| 23 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 21 May 1999 | Flash Flood | — | — | — | — | — | County |
| 12 May 1999 | Flash Flood | — | — | — | — | — | County |
| 4 May 1999 | Flash Flood | — | — | — | — | — | County |
| 4 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 26 Apr 1999 | Flash Flood | — | — | — | — | — | County |
| 25 Apr 1999 | Flash Flood | — | $30K | — | — | — | County |
| 5 Oct 1998 | Flash Flood | — | $97K | — | — | — | County |
| 6 Nov 1996 | Flash Flood | — | — | — | — | — | County |
| 6 Nov 1996 | Flash Flood | — | — | — | — | — | County |
| 26 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 6 May 1996 | Flash Flood | — | $5K | — | — | — | County |
Questions and answers
How many flood events has Wagoner County had?
77 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 Wagoner County?
10 Apr 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Wagoner County?
The flash flood of 6 May 2000, with property damage estimated by NCEI at $600K.
How does Wagoner County compare with Oklahoma for flood?
13.7 events per 100 square miles against 6.3 statewide; the county holds 77 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.