National Weather ServiceSouth DakotaFlood AdvisoryArchive to October 1, 2026
Flood Advisories in South Dakota
The National Weather Service issued 0 flood advisories for South Dakota in 2025 and 24 a year on average in 2008-2025; in 2021-2025 it had the 50th most of any state. 2026 through September: 1, 96% below the average of 24 for those months in 2008-2025. Pennington was covered most often (120 times since 2008).
How many flood advisories does South Dakota get?
Every flood advisory that covered part of South Dakota. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 1 |
| 2025 | 0 |
| 2024 | 2 |
| 2023 | 12 |
| 2022 | 17 |
| 2021 | 5 |
| 2020 | 10 |
| 2019 | 40 |
| 2018 | 18 |
| 2017 | 8 |
| 2016 | 7 |
| 2015 | 16 |
| 2014 | 30 |
| 2013 | 44 |
| 2012 | 5 |
| 2011 | 37 |
| 2010 | 62 |
| 2009 | 58 |
| 2008 | 66 |
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 South Dakota 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 South Dakota?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Pennington | 120 | 5 | August 16, 2026 |
| Meade | 72 | 1 | May 17, 2023 |
| Custer | 68 | 0 | August 26, 2022 |
| Lawrence | 55 | 1 | May 17, 2023 |
| Fall River | 44 | 2 | July 19, 2024 |
| Butte | 39 | 0 | July 14, 2021 |
| Jackson | 35 | 1 | August 2, 2023 |
| Tripp | 31 | 2 | June 17, 2024 |
| Todd | 31 | 3 | June 17, 2024 |
| Ziebach | 30 | 2 | August 4, 2023 |
| Perkins | 30 | 0 | July 7, 2022 |
| Mellette | 29 | 0 | August 15, 2022 |
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 South Dakota.