National Weather ServiceTennesseeFlood WatchArchive to October 1, 2026
Flood Watches in Tennessee
The National Weather Service issued 17 flood watches for Tennessee in 2025 and 12 a year on average in 2008-2025; in 2021-2025 it had the 32nd most of any state. 2026 through September: 22, 112% above the average of 10 for those months in 2008-2025. Scott was covered most often (62 times since 2008).
How many flood watches does Tennessee get?
Every flood watch that covered part of Tennessee. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 22 |
| 2025 | 17 |
| 2024 | 24 |
| 2023 | 16 |
| 2022 | 25 |
| 2021 | 5 |
| 2020 | 13 |
| 2019 | 6 |
| 2018 | 18 |
| 2017 | 0 |
| 2016 | 3 |
| 2015 | 13 |
| 2014 | 2 |
| 2013 | 12 |
| 2012 | 7 |
| 2011 | 18 |
| 2010 | 9 |
| 2009 | 17 |
| 2008 | 6 |
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 Tennessee 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 Tennessee?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Scott | 62 | 18 | August 12, 2026 |
| Campbell | 61 | 18 | August 12, 2026 |
| Morgan | 59 | 17 | August 12, 2026 |
| Claiborne | 59 | 17 | August 12, 2026 |
| Anderson | 59 | 18 | August 12, 2026 |
| Union | 56 | 16 | August 12, 2026 |
| Knox | 56 | 17 | August 12, 2026 |
| Grainger | 56 | 15 | August 12, 2026 |
| Hancock | 55 | 16 | August 12, 2026 |
| Blount Smoky Mountains | 55 | 17 | August 12, 2026 |
| Bledsoe | 55 | 19 | July 22, 2026 |
| Southeast Monroe | 54 | 18 | July 22, 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 watch?
A flood watch means conditions may lead to flooding in the coming day or days; it is not yet happening. A watch means the conditions for the hazard are possible or favourable, but it is not yet happening: be ready to act if a warning follows. The national record · Every warning type in Tennessee.