National Weather ServiceIndianaFlood AdvisoryArchive to October 1, 2026
Flood Advisories in Indiana
The National Weather Service issued 296 flood advisories for Indiana in 2025 and 210 a year on average in 2008-2025; in 2021-2025 it had the 19th most of any state. 2026 through September: 433, 120% above the average of 197 for those months in 2008-2025. Dearborn was covered most often (306 times since 2008).
How many flood advisories does Indiana get?
Every flood advisory that covered part of Indiana. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 433 |
| 2025 | 296 |
| 2024 | 190 |
| 2023 | 127 |
| 2022 | 177 |
| 2021 | 220 |
| 2020 | 209 |
| 2019 | 266 |
| 2018 | 230 |
| 2017 | 208 |
| 2016 | 213 |
| 2015 | 279 |
| 2014 | 225 |
| 2013 | 217 |
| 2012 | 139 |
| 2011 | 227 |
| 2010 | 219 |
| 2009 | 175 |
| 2008 | 163 |
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 Indiana 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 Indiana?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Dearborn | 306 | 49 | September 12, 2026 |
| Lake | 283 | 64 | September 20, 2026 |
| Ripley | 254 | 43 | September 12, 2026 |
| Franklin | 244 | 56 | August 12, 2026 |
| Clark | 231 | 54 | July 21, 2026 |
| Switzerland | 230 | 30 | August 13, 2026 |
| Harrison | 217 | 65 | September 18, 2026 |
| Newton | 210 | 18 | September 20, 2026 |
| Perry | 202 | 53 | September 11, 2026 |
| Wayne | 201 | 48 | September 20, 2026 |
| Ohio | 200 | 28 | July 5, 2026 |
| Warrick | 199 | 45 | 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 Indiana.