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Flood in Custer County, Oklahoma
24 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.
Custer County, Oklahoma, has 24 flood events in the NCEI record since 1950, with at least one in 13 different years.
June is the busiest month, with 8 of the recorded events. The last 20 years account for 19 events against 5 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.6% of the 4,346 flood events recorded in Oklahoma; its 2.4 per 100 square miles compares with 6.3 statewide.
Compared with Oklahoma
| Measure | Custer County | Oklahoma | US |
|---|---|---|---|
| Flood events since 1950 | 24 | 4,346 | 183,559 |
| Per 100 square miles | 2.4 | 6.3 | 5.2 |
| Per 10,000 residents | 8.5 | 10.9 | 5.5 |
| Deaths recorded | 0 | 91 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
0Feb
0Mar
0Apr
0May
4Jun
8Jul
7Aug
3Sep
1Oct
1Nov
0Dec
0
Recorded events
All 24 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 |
|---|---|---|---|---|---|---|---|
| 6 Jun 2026 | Flood | — | — | — | — | — | County |
| 6 Jun 2026 | Flash Flood | — | — | — | — | — | County |
| 9 Jul 2023 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2023 | Flash Flood | — | $5K | — | — | — | County |
| 8 Jun 2022 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2022 | Flood | — | — | — | — | — | County |
| 1 Jun 2022 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2019 | Flash Flood | — | $10K | — | — | — | County |
| 3 Jul 2019 | Flash Flood | — | — | — | — | — | County |
| 25 May 2019 | Flash Flood | — | $10K | — | — | — | County |
| 7 May 2019 | Flash Flood | — | — | — | — | — | County |
| 11 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 20 Jul 2015 | Flash Flood | — | — | — | — | — | County |
| 6 Jul 2015 | Flash Flood | — | $10K | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 23 May 2015 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 2014 | Flash Flood | — | $150K | — | — | — | County |
| 12 Jul 2008 | Flash Flood | — | — | — | — | — | County |
| 19 Aug 2007 | Flash Flood | — | $50K | — | — | — | County |
| 5 Oct 2005 | Flood | — | — | — | — | — | Forecast zone |
| 1 Jul 2004 | Flood | — | — | — | — | — | Forecast zone |
| 13 Jun 2002 | Flash Flood | — | $25K | — | — | — | County |
| 22 Sep 1997 | Flash Flood | — | — | — | — | 1 | County |
| 18 Aug 1997 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Custer County had?
24 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 Custer County?
6 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Custer County?
The flash flood of 19 Jun 2014, with property damage estimated by NCEI at $150K.
How does Custer County compare with Oklahoma for flood?
2.4 events per 100 square miles against 6.3 statewide; the county holds 24 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.