Grundy County weather alerts
There are no active weather alerts for Grundy County, TN right now.
Since 2016 the National Weather Service has issued about 625 alerts that included Grundy County, roughly 63 a year. The most common is the severe thunderstorm warning (96 from 2016 to 2025). The last tornado warning was issued on May 21, 2025. 10 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 Grundy County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Sequatchie County, Coffee County, Warren County, Franklin County.
Grundy County alert history
Alert events that included Grundy County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 96 | 5 | August 17, 2026 |
| Dense Fog Advisory | 94 | 12 | November 5, 2026 |
| Wind Advisory | 62 | 2 | October 10, 2026 |
| Flood Advisory | 54 | 1 | June 14, 2026 |
| Severe Thunderstorm Watch | 49 | 5 | August 17, 2026 |
| Freeze Warning | 46 | 0 | November 1, 2023 |
| Tornado Watch | 41 | 1 | March 16, 2026 |
| Flood Watch | 40 | 5 | October 10, 2026 |
| Winter Weather Advisory | 36 | 1 | March 16, 2026 |
| Frost Advisory | 26 | 0 | April 22, 2024 |
| Freeze Watch | 20 | 0 | March 21, 2023 |
| Tornado Warning | 14 | 0 | May 21, 2025 |
| Cold Weather Advisory | 14 | 2 | January 31, 2026 |
| Winter Storm Warning | 9 | 1 | January 24, 2026 |
| Winter Storm Watch | 7 | 1 | January 24, 2026 |
| Flash Flood Warning | 7 | 0 | March 15, 2025 |
| Red Flag Warning | 2 | 0 | April 20, 2023 |
| High Wind Warning | 2 | 0 | March 4, 2025 |
| Heat Advisory | 2 | 5 | September 2, 2026 |
| Extreme Cold Watch | 1 | 0 | December 23, 2022 |
| Extreme Cold Warning | 1 | 1 | January 27, 2026 |
| Extreme Heat Warning | 1 | 0 | June 29, 2023 |
| Fire Weather Watch | 1 | 0 | April 20, 2023 |
Tornado history in Grundy County
10 tornadoes have been recorded in Grundy County since 1950, injuring 8 people. That ranks 66 of 95 counties in Tennessee. The most recent was on April 5, 2025 (rated EF1).
Strongest tornadoes in Grundy County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 26, 1959 | F3 | Coffee County | 19.5 mi | 440 yd | 0 | 0 |
| February 13, 1952 | F3 | Grundy County | 5.1 mi | 400 yd | 0 | 2 |
| November 6, 2018 | EF2 | Franklin County | 29.4 mi | 500 yd | 0 | 0 |
| June 26, 1994 | F2 | Grundy County | 4 mi | 50 yd | 0 | 6 |
| November 6, 2018 | EF1 | Grundy County | 15.2 mi | 700 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 5, 2025 | EF1 | Grundy County | 6.4 mi | 400 yd | 0 | 0 |
| December 11, 2021 | EF0 | Grundy County | 8.9 mi | 100 yd | 0 | 0 |
| November 6, 2018 | EF1 | Grundy County | 15.2 mi | 700 yd | 0 | 0 |
| November 6, 2018 | EF2 | Franklin County | 29.4 mi | 500 yd | 0 | 0 |
| April 27, 2011 | EF0 | Grundy County | 1.2 mi | 50 yd | 0 | 0 |
About Grundy County
- Population: 14,148 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047061 (how to use it)