3,276
Recorded events
77
Counties affected
65
Direct deaths
$77.1M
Property damage
Oklahoma flash flood history: 3,276 recorded events across 77 counties between 1996 and 2026.
Decade by decade
Oklahoma flash flood history by decade
The 2010s are the busiest decade on record with 1,327 reported flash flood events across Oklahoma. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most flash flood events in Oklahoma
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Tulsa County | 246 | 3 | $6.2M | 1996–2026 |
| #2 | Oklahoma County | 183 | 16 | $8.6M | 1996–2025 |
| #3 | Cleveland County | 117 | 3 | $1.7M | 1996–2025 |
| #4 | McCurtain County | 107 | 1 | $750K | 1996–2025 |
| #5 | Le Flore County | 94 | 1 | $918K | 1996–2025 |
| #6 | Comanche County | 87 | 4 | $2.5M | 1996–2025 |
| #7 | Okmulgee County | 82 | 0 | $1.4M | 1996–2025 |
| #8 | Pittsburg County | 81 | 1 | $307K | 1996–2025 |
| #9 | Rogers County | 78 | 1 | $677K | 1996–2025 |
| #10 | Muskogee County | 76 | 2 | $1.3M | 1996–2024 |
| #11 | Kay County | 75 | 0 | $61K | 1996–2024 |
| #12 | Sequoyah County | 72 | 2 | $1.7M | 1996–2025 |
| #13 | Cherokee County | 71 | 5 | $1.7M | 1996–2024 |
| #14 | Wagoner County | 69 | 0 | $1.5M | 1996–2026 |
| #15 | Osage County | 69 | 0 | $1.1M | 1996–2025 |
| #16 | Stephens County | 61 | 2 | $200K | 1996–2025 |
| #17 | Mayes County | 56 | 1 | $731K | 1996–2023 |
| #18 | Murray County | 52 | 0 | $68K | 1996–2025 |
| #19 | McIntosh County | 52 | 0 | $591K | 1996–2025 |
| #20 | Canadian County | 49 | 0 | $1.1M | 1996–2025 |
| #21 | Johnston County | 49 | 1 | $360K | 2001–2025 |
| #22 | Ottawa County | 47 | 0 | $512K | 1996–2023 |
| #23 | Creek County | 47 | 0 | $5.3M | 1996–2022 |
| #24 | Caddo County | 46 | 4 | $6.5M | 1996–2022 |
| #25 | Pontotoc County | 46 | 0 | $1.1M | 1998–2025 |
Significant events
Deadliest flash flood events in Oklahoma
| Date | County | Scale | Deaths | Injuries |
|---|---|---|---|---|
| Jun 1, 2013 | Oklahoma County | — | 7 | 0 |
| Jun 1, 2013 | Oklahoma County | — | 5 | 0 |
| Sep 26, 1996 | Cherokee County | — | 4 | 0 |
| Aug 19, 2007 | Caddo County | — | 3 | 0 |
| Apr 24, 2004 | Sequoyah County | — | 2 | 0 |
| Mar 26, 2015 | Muskogee County | — | 2 | 0 |
| Apr 20, 2025 | Cleveland County | — | 2 | 0 |
| Nov 5, 2022 | Adair County | — | 2 | 2 |
| Sep 1, 2020 | Oklahoma County | — | 1 | 0 |
| Mar 31, 2008 | Cherokee County | — | 1 | 0 |