Williamson County weather alerts
There are no active weather alerts for Williamson County, TN right now.
Since 2016 the National Weather Service has issued about 1,156 alerts that included Williamson County, roughly 116 a year. The most common is the severe thunderstorm warning (307 from 2016 to 2025). The last tornado warning was issued on March 16, 2026. 26 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 Williamson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Dickson County, Maury County, Davidson County, Rutherford County.
Williamson County alert history
Alert events that included Williamson County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 307 | 23 | August 8, 2026 |
| Flood Advisory | 222 | 10 | July 10, 2026 |
| Dense Fog Advisory | 93 | 13 | November 5, 2026 |
| Wind Advisory | 71 | 2 | October 10, 2026 |
| Flash Flood Warning | 67 | 12 | August 20, 2026 |
| Tornado Watch | 58 | 2 | April 28, 2026 |
| Flood Watch | 53 | 6 | October 10, 2026 |
| Severe Thunderstorm Watch | 53 | 8 | August 20, 2026 |
| Tornado Warning | 41 | 1 | March 16, 2026 |
| Freeze Warning | 39 | 0 | November 1, 2023 |
| Heat Advisory | 39 | 7 | September 15, 2026 |
| Winter Weather Advisory | 28 | 0 | February 19, 2025 |
| Frost Advisory | 26 | 0 | April 22, 2024 |
| Freeze Watch | 13 | 0 | March 21, 2023 |
| Cold Weather Advisory | 13 | 2 | January 31, 2026 |
| Winter Storm Warning | 8 | 1 | January 24, 2026 |
| Winter Storm Watch | 7 | 1 | January 24, 2026 |
| Flood Warning | 5 | 0 | March 28, 2021 |
| High Wind Warning | 3 | 0 | January 27, 2024 |
| Extreme Heat Warning | 3 | 2 | August 14, 2026 |
| Red Flag Warning | 3 | 0 | April 20, 2023 |
| Extreme Cold Watch | 1 | 0 | December 23, 2022 |
| Extreme Cold Warning | 1 | 1 | January 27, 2026 |
| Extreme Heat Watch | 1 | 1 | June 29, 2026 |
| Fire Weather Watch | 1 | 0 | April 20, 2023 |
Tornado history in Williamson County
26 tornadoes have been recorded in Williamson County since 1950, killing 1 people and injuring 24. That ranks 17 of 95 counties in Tennessee. The most recent was on March 30, 2025 (rated EF0).
Strongest tornadoes in Williamson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| December 24, 1988 | F4 | Williamson County | 6 mi | 150 yd | 1 | 7 |
| January 10, 1963 | F3 | Maury County | 4 mi | 400 yd | 0 | 4 |
| May 11, 2003 | F3 | Williamson County | 1 mi | 300 yd | 0 | 1 |
| February 5, 2008 | EF2 | Hickman County | 25.3 mi | 300 yd | 0 | 1 |
| February 17, 1976 | F1 | Williamson County | 19.2 mi | 440 yd | 0 | 2 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 30, 2025 | EF0 | Hickman County | 2.2 mi | 150 yd | 0 | 0 |
| August 12, 2023 | EF0 | Williamson County | 1.9 mi | 40 yd | 0 | 0 |
| May 9, 2021 | EF0 | Williamson County | 0.8 mi | 25 yd | 0 | 0 |
| September 1, 2020 | EF0 | Williamson County | 2.8 mi | 25 yd | 0 | 0 |
| February 6, 2019 | EF0 | Dickson County | 1.4 mi | 50 yd | 0 | 0 |
About Williamson County
- Population: 269,136 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047187 (how to use it)