McMinn County weather alerts
There are no active weather alerts for McMinn County, TN right now.
Since 2016 the National Weather Service has issued about 756 alerts that included McMinn County, roughly 76 a year. The most common is the severe thunderstorm warning (208 from 2016 to 2025). The last tornado warning was issued on May 21, 2025. 23 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 McMinn County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Loudon County, Meigs County, Polk County, Bradley County.
McMinn County alert history
Alert events that included McMinn County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 208 | 17 | August 21, 2026 |
| Flood Advisory | 128 | 19 | September 23, 2026 |
| Dense Fog Advisory | 55 | 9 | November 6, 2026 |
| Wind Advisory | 49 | 2 | October 10, 2026 |
| Freeze Warning | 44 | 0 | November 2, 2023 |
| Flood Watch | 40 | 8 | July 22, 2026 |
| Severe Thunderstorm Watch | 36 | 2 | August 17, 2026 |
| Frost Advisory | 30 | 0 | April 7, 2024 |
| Tornado Watch | 30 | 1 | March 16, 2026 |
| Flash Flood Warning | 28 | 3 | August 12, 2026 |
| Freeze Watch | 18 | 0 | November 1, 2023 |
| Winter Weather Advisory | 18 | 1 | January 30, 2026 |
| Heat Advisory | 15 | 5 | September 3, 2026 |
| Tornado Warning | 14 | 0 | May 21, 2025 |
| Flood Warning | 14 | 1 | November 5, 2026 |
| Winter Storm Watch | 6 | 1 | January 24, 2026 |
| Cold Weather Advisory | 6 | 3 | January 31, 2026 |
| Winter Storm Warning | 5 | 0 | January 10, 2025 |
| High Wind Warning | 3 | 0 | September 27, 2024 |
| Red Flag Warning | 3 | 0 | March 1, 2025 |
| Extreme Cold Watch | 2 | 0 | January 20, 2025 |
| High Wind Watch | 2 | 0 | September 27, 2024 |
| Extreme Cold Warning | 1 | 0 | December 23, 2022 |
| Fire Weather Watch | 1 | 0 | April 20, 2023 |
| Ice Storm Warning | 0 | 1 | January 24, 2026 |
Tornado history in McMinn County
23 tornadoes have been recorded in McMinn County since 1950, killing 13 people and injuring 189. That ranks 25 of 95 counties in Tennessee. The most recent was on March 17, 2018 (rated EF0).
Strongest tornadoes in McMinn County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 2, 1953 | F4 | Meigs County | 4.2 mi | 33 yd | 4 | 8 |
| April 3, 1974 | F3 | Bradley County | 21.2 mi | 500 yd | 3 | 50 |
| April 15, 1994 | F3 | Hamilton County | 15 mi | 880 yd | 1 | 9 |
| March 2, 2012 | EF3 | Hamilton County | 41 mi | 400 yd | 0 | 44 |
| February 21, 1993 | F3 | McMinn County | 19 mi | 73 yd | 0 | 17 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 17, 2018 | EF0 | McMinn County | 0.4 mi | 100 yd | 0 | 0 |
| November 30, 2016 | EF2 | McMinn County | 11.3 mi | 200 yd | 0 | 20 |
| March 2, 2012 | EF3 | Hamilton County | 41 mi | 400 yd | 0 | 44 |
| April 27, 2011 | EF1 | McMinn County | 12.5 mi | 200 yd | 0 | 1 |
| April 27, 2011 | EF0 | McMinn County | 0.7 mi | 20 yd | 0 | 0 |
About McMinn County
- Population: 56,754 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047107 (how to use it)