Unicoi County weather alerts
There are no active weather alerts for Unicoi County, TN right now.
Since 2016 the National Weather Service has issued about 798 alerts that included Unicoi County, roughly 80 a year. The most common is the wind advisory (182 from 2016 to 2025). The last tornado warning was issued on July 28, 2026. 2 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 Unicoi County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Washington County, Mitchell County, Greene County, Yancey County.
Unicoi County alert history
Alert events that included Unicoi County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Wind Advisory | 182 | 10 | November 3, 2026 |
| Flood Advisory | 74 | 14 | August 14, 2026 |
| Winter Weather Advisory | 73 | 6 | November 13, 2026 |
| Severe Thunderstorm Warning | 72 | 12 | September 5, 2026 |
| High Wind Warning | 56 | 3 | October 10, 2026 |
| High Wind Watch | 46 | 2 | October 10, 2026 |
| Dense Fog Advisory | 40 | 4 | November 6, 2026 |
| Freeze Warning | 31 | 0 | November 1, 2023 |
| Flood Watch | 30 | 8 | August 12, 2026 |
| Winter Storm Warning | 27 | 2 | January 30, 2026 |
| Cold Weather Advisory | 25 | 4 | February 7, 2026 |
| Winter Storm Watch | 23 | 2 | January 30, 2026 |
| Frost Advisory | 22 | 1 | May 3, 2026 |
| Severe Thunderstorm Watch | 20 | 4 | August 17, 2026 |
| Flood Warning | 20 | 0 | August 13, 2025 |
| Freeze Watch | 18 | 0 | November 1, 2023 |
| Flash Flood Warning | 14 | 6 | August 4, 2026 |
| Red Flag Warning | 11 | 0 | March 26, 2025 |
| Tornado Watch | 6 | 0 | May 17, 2025 |
| Extreme Cold Watch | 4 | 2 | January 31, 2026 |
| Extreme Cold Warning | 3 | 1 | January 31, 2026 |
| Fire Weather Watch | 1 | 0 | November 20, 2023 |
| Heat Advisory | 0 | 1 | June 30, 2026 |
| Tornado Warning | 0 | 1 | July 28, 2026 |
Tornado history in Unicoi County
2 tornadoes have been recorded in Unicoi County since 1950, injuring 12 people. That ranks 91 of 95 counties in Tennessee. The most recent was on April 9, 2011 (rated EF0).
Strongest tornadoes in Unicoi County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 10, 1980 | F3 | Unicoi County | 1.9 mi | 100 yd | 0 | 12 |
| April 9, 2011 | EF0 | Unicoi County | 1 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 9, 2011 | EF0 | Unicoi County | 1 mi | 50 yd | 0 | 0 |
| July 10, 1980 | F3 | Unicoi County | 1.9 mi | 100 yd | 0 | 12 |
About Unicoi County
- Population: 17,872 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047171 (how to use it)