DeKalb County weather alerts
There are no active weather alerts for DeKalb County, TN right now.
Since 2016 the National Weather Service has issued about 790 alerts that included DeKalb County, roughly 79 a year. The most common is the severe thunderstorm warning (167 from 2016 to 2025). The last tornado warning was issued on March 31, 2025. 16 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 DeKalb County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Smith County, Warren County, White County, Putnam County.
DeKalb County alert history
Alert events that included DeKalb County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 167 | 9 | July 3, 2026 |
| Flood Advisory | 98 | 2 | July 11, 2026 |
| Dense Fog Advisory | 98 | 12 | November 5, 2026 |
| Wind Advisory | 68 | 2 | October 10, 2026 |
| Severe Thunderstorm Watch | 52 | 4 | August 17, 2026 |
| Flood Watch | 46 | 6 | October 10, 2026 |
| Freeze Warning | 46 | 0 | November 1, 2023 |
| Tornado Watch | 41 | 1 | March 16, 2026 |
| Winter Weather Advisory | 31 | 1 | March 16, 2026 |
| Frost Advisory | 27 | 1 | May 3, 2026 |
| Flash Flood Warning | 27 | 1 | July 17, 2026 |
| Freeze Watch | 19 | 0 | March 21, 2023 |
| Heat Advisory | 17 | 6 | September 15, 2026 |
| Tornado Warning | 16 | 0 | March 31, 2025 |
| Cold Weather Advisory | 13 | 2 | January 31, 2026 |
| Winter Storm Warning | 9 | 1 | January 24, 2026 |
| Winter Storm Watch | 7 | 1 | January 24, 2026 |
| Red Flag Warning | 2 | 0 | April 20, 2023 |
| Flood Warning | 1 | 0 | November 7, 2017 |
| Extreme Cold Watch | 1 | 0 | December 23, 2022 |
| Extreme Cold Warning | 1 | 1 | January 27, 2026 |
| Extreme Heat Warning | 1 | 2 | August 14, 2026 |
| Fire Weather Watch | 1 | 0 | April 20, 2023 |
| High Wind Warning | 1 | 0 | March 3, 2023 |
| Extreme Heat Watch | 0 | 1 | June 29, 2026 |
Tornado history in DeKalb County
16 tornadoes have been recorded in DeKalb County since 1950, killing 2 people and injuring 28. That ranks 45 of 95 counties in Tennessee. The most recent was on May 6, 2024 (rated EF1).
Strongest tornadoes in DeKalb County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 3, 1974 | F3 | Cannon County | 14.6 mi | 100 yd | 1 | 23 |
| April 27, 1971 | F3 | Wilson County | 15 mi | 200 yd | 0 | 3 |
| December 23, 2015 | EF2 | DeKalb County | 8.4 mi | 250 yd | 0 | 0 |
| January 24, 1997 | F2 | DeKalb County | 7.3 mi | 440 yd | 0 | 0 |
| January 24, 1997 | F2 | DeKalb County | 2 mi | 220 yd | 0 | 1 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 6, 2024 | EF1 | DeKalb County | 3.2 mi | 150 yd | 0 | 0 |
| May 4, 2021 | EF0 | DeKalb County | 4.8 mi | 200 yd | 0 | 0 |
| May 4, 2021 | EF0 | DeKalb County | 1 mi | 25 yd | 0 | 0 |
| November 6, 2018 | EF1 | Cannon County | 8.7 mi | 350 yd | 0 | 0 |
| December 23, 2015 | EF2 | DeKalb County | 8.4 mi | 250 yd | 0 | 0 |
About DeKalb County
- Population: 21,747 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047041 (how to use it)