Decatur County weather alerts
There are no active weather alerts for Decatur County, TN right now.
Since 2016 the National Weather Service has issued about 1,089 alerts that included Decatur County, roughly 109 a year. The most common is the flood advisory (209 from 2016 to 2025). The last tornado warning was issued on April 28, 2026. 8 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Decatur County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Benton County, Henderson County, Perry County, Carroll County.
Decatur County alert history
Alert events that included Decatur County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Flood Advisory | 209 | 6 | August 8, 2026 |
| Dense Fog Advisory | 154 | 14 | November 5, 2026 |
| Severe Thunderstorm Warning | 131 | 15 | July 27, 2026 |
| Flood Warning | 63 | 0 | April 6, 2025 |
| Wind Advisory | 63 | 2 | October 10, 2026 |
| Heat Advisory | 62 | 10 | September 14, 2026 |
| Tornado Watch | 62 | 4 | April 28, 2026 |
| Severe Thunderstorm Watch | 57 | 6 | July 27, 2026 |
| Flood Watch | 46 | 3 | October 10, 2026 |
| Freeze Warning | 42 | 2 | March 17, 2026 |
| Frost Advisory | 33 | 0 | April 9, 2025 |
| Tornado Warning | 32 | 1 | April 28, 2026 |
| Flash Flood Warning | 28 | 0 | April 6, 2025 |
| Winter Weather Advisory | 26 | 0 | December 1, 2025 |
| Freeze Watch | 22 | 2 | March 17, 2026 |
| Cold Weather Advisory | 15 | 1 | January 31, 2026 |
| Extreme Heat Warning | 13 | 3 | August 14, 2026 |
| Winter Storm Watch | 10 | 1 | January 23, 2026 |
| Winter Storm Warning | 9 | 0 | January 10, 2025 |
| Extreme Heat Watch | 4 | 1 | July 1, 2026 |
| High Wind Warning | 3 | 0 | March 3, 2023 |
| Extreme Cold Warning | 2 | 1 | January 26, 2026 |
| Extreme Cold Watch | 1 | 1 | January 26, 2026 |
| Ice Storm Warning | 1 | 1 | January 24, 2026 |
| High Wind Watch | 1 | 0 | March 25, 2024 |
Tornado history in Decatur County
8 tornadoes have been recorded in Decatur County since 1950. That ranks 73 of 95 counties in Tennessee. The most recent was on December 11, 2021 (rated EF1).
Strongest tornadoes in Decatur County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| February 24, 2011 | EF2 | Carroll County | 12.2 mi | 400 yd | 0 | 0 |
| April 24, 2010 | EF1 | Decatur County | 25.6 mi | 400 yd | 0 | 0 |
| December 11, 2021 | EF1 | Decatur County | 9.1 mi | 100 yd | 0 | 0 |
| March 27, 2017 | EF1 | Decatur County | 5.5 mi | 100 yd | 0 | 0 |
| May 7, 1984 | F1 | Decatur County | 0.1 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 11, 2021 | EF1 | Decatur County | 9.1 mi | 100 yd | 0 | 0 |
| March 27, 2021 | EF0 | Decatur County | 0.5 mi | 75 yd | 0 | 0 |
| March 27, 2017 | EF1 | Decatur County | 5.5 mi | 100 yd | 0 | 0 |
| May 20, 2015 | EF0 | Decatur County | 1.2 mi | 70 yd | 0 | 0 |
| February 24, 2011 | EF2 | Carroll County | 12.2 mi | 400 yd | 0 | 0 |
About Decatur County
- Population: 11,800 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047039 (how to use it)