National Weather ServiceOklahomaFlood AdvisoryArchive to October 1, 2026
Flood Advisories in Oklahoma
The National Weather Service issued 786 flood advisories for Oklahoma in 2025 and 327 a year on average in 2008-2025; in 2021-2025 it had the 4th most of any state. 2026 through September: 449, 49% above the average of 301 for those months in 2008-2025. Oklahoma was covered most often (450 times since 2008).
How many flood advisories does Oklahoma get?
Every flood advisory that covered part of Oklahoma. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 454 |
| 2025 | 786 |
| 2024 | 464 |
| 2023 | 424 |
| 2022 | 311 |
| 2021 | 490 |
| 2020 | 291 |
| 2019 | 538 |
| 2018 | 376 |
| 2017 | 367 |
| 2016 | 407 |
| 2015 | 454 |
| 2014 | 156 |
| 2013 | 135 |
| 2012 | 84 |
| 2011 | 82 |
| 2010 | 217 |
| 2009 | 180 |
| 2008 | 130 |
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 |
|---|---|---|---|
| Oklahoma | 450 | 136 | October 1, 2026 |
| Cherokee | 448 | 137 | July 12, 2026 |
| Tulsa | 411 | 126 | September 13, 2026 |
| Cleveland | 361 | 108 | September 30, 2026 |
| Canadian | 351 | 107 | October 1, 2026 |
| Osage | 335 | 89 | July 12, 2026 |
| Delaware | 330 | 106 | July 12, 2026 |
| Muskogee | 325 | 92 | July 16, 2026 |
| Rogers | 322 | 109 | July 12, 2026 |
| Le Flore | 319 | 105 | July 12, 2026 |
| Wagoner | 312 | 102 | July 12, 2026 |
| Grady | 307 | 78 | July 12, 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.
What is a flood advisory?
A flood advisory covers flooding that is less serious than a warning, such as water on roads or in low-lying areas, that is still a hazard to drivers and walkers. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Oklahoma.