National Weather ServiceOklahomaFlash Flood WarningArchive to October 1, 2026
Flash Flood Warnings in Oklahoma
The National Weather Service issued 245 flash flood warnings for Oklahoma in 2025 and 124 a year on average in 2008-2025; in 2021-2025 it had the 11th most of any state. 2026 through September: 158, 37% above the average of 116 for those months in 2008-2025. Muskogee was covered most often (179 times since 2008).
How many flash flood warnings does Oklahoma get?
Every flash flood warning that covered part of Oklahoma. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 160 |
| 2025 | 245 |
| 2024 | 150 |
| 2023 | 97 |
| 2022 | 81 |
| 2021 | 128 |
| 2020 | 96 |
| 2019 | 253 |
| 2018 | 94 |
| 2017 | 157 |
| 2016 | 142 |
| 2015 | 265 |
| 2014 | 36 |
| 2013 | 68 |
| 2012 | 50 |
| 2011 | 52 |
| 2010 | 80 |
| 2009 | 86 |
| 2008 | 154 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Oklahoma get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Oklahoma?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Muskogee | 179 | 22 | June 27, 2026 |
| Le Flore | 171 | 36 | June 6, 2026 |
| Sequoyah | 171 | 30 | September 24, 2025 |
| Oklahoma | 158 | 48 | July 12, 2026 |
| Delaware | 154 | 30 | June 27, 2026 |
| Haskell | 153 | 28 | June 12, 2026 |
| Tulsa | 150 | 38 | July 12, 2026 |
| Cherokee | 148 | 22 | June 22, 2026 |
| Rogers | 148 | 34 | July 12, 2026 |
| Wagoner | 148 | 26 | July 12, 2026 |
| Mayes | 145 | 20 | July 12, 2026 |
| Cleveland | 135 | 41 | July 5, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
The latest flash flood warnings for Oklahoma in AreaZine's record
NWS NormanWarningOctober 1, 2026
Flash Flood Warning: Garvin, Johnston, Murray and 1 more, OK
In force until 7:45 a.m. CDT, October 1, 2026
NWS NormanWarningOctober 1, 2026
Flash Flood Warning: Carter, Jefferson, Johnston and 3 more, OK
In force until 10:00 a.m. CDT, October 1, 2026
NWS NormanWarningOctober 1, 2026
Flash Flood Warning: Carter, Garvin and Stephens, OK
Expired 6:15 a.m. CDT, October 1, 2026
NWS NormanWarningOctober 1, 2026
Flash Flood Warning: Carter, Johnston, Love and 2 more, OK
Expired 5:45 a.m. CDT, October 1, 2026
NWS NormanWarningOctober 1, 2026
Flash Flood Warning: Coal, Hughes, Johnston and 1 more, OK
In force until 7:30 a.m. CDT, October 1, 2026
NWS NormanWarningOctober 1, 2026
Flash Flood Warning: Cleveland and Oklahoma County, OK
Expired 5:30 a.m. CDT, October 1, 2026
NWS NormanWarningSeptember 30, 2026
Flash Flood Warning: Caddo, Custer, Kiowa and 1 more, OK
Expired 1:30 a.m. CDT, October 1, 2026
NWS NormanWarningSeptember 20, 2026
Flash Flood Warning: Bryan, OK
Expired 8:45 p.m. CDT, September 20, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a flash flood warning?
A flash flood warning means flash flooding is happening or about to happen: water rising fast in streams, streets or dry washes, usually within six hours of heavy rain or a dam or levee failure. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Oklahoma.