Loudon County weather alerts
There are no active weather alerts for Loudon County, TN right now.
Since 2016 the National Weather Service has issued about 744 alerts that included Loudon County, roughly 74 a year. The most common is the severe thunderstorm warning (182 from 2016 to 2025). The last tornado warning was issued on May 30, 2025. 9 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 Loudon County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Blount County, Roane County, McMinn County, Monroe County.
Loudon County alert history
Alert events that included Loudon County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 182 | 12 | September 5, 2026 |
| Flood Advisory | 139 | 22 | September 23, 2026 |
| Dense Fog Advisory | 57 | 8 | November 6, 2026 |
| Wind Advisory | 55 | 2 | October 10, 2026 |
| Freeze Warning | 44 | 0 | November 2, 2023 |
| Severe Thunderstorm Watch | 39 | 3 | August 17, 2026 |
| Flood Watch | 38 | 8 | August 12, 2026 |
| Flash Flood Warning | 30 | 4 | August 12, 2026 |
| Frost Advisory | 26 | 0 | April 7, 2024 |
| Tornado Watch | 25 | 0 | May 20, 2025 |
| Winter Weather Advisory | 25 | 1 | January 30, 2026 |
| Freeze Watch | 19 | 0 | November 1, 2023 |
| Flood Warning | 17 | 0 | March 16, 2025 |
| Heat Advisory | 12 | 4 | September 3, 2026 |
| Tornado Warning | 6 | 0 | May 30, 2025 |
| Winter Storm Warning | 6 | 1 | January 30, 2026 |
| Winter Storm Watch | 6 | 1 | January 24, 2026 |
| Cold Weather Advisory | 6 | 3 | January 31, 2026 |
| Red Flag Warning | 4 | 0 | March 1, 2025 |
| Extreme Cold Watch | 2 | 0 | January 20, 2025 |
| High Wind Watch | 2 | 0 | September 27, 2024 |
| High Wind Warning | 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 Loudon County
9 tornadoes have been recorded in Loudon County since 1950, killing 1 people and injuring 62. That ranks 70 of 95 counties in Tennessee. The most recent was on May 30, 2025 (rated EF0).
Strongest tornadoes in Loudon County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| February 21, 1993 | F3 | Roane County | 30 mi | 100 yd | 1 | 55 |
| May 7, 1984 | F2 | Loudon County | 1 mi | 70 yd | 0 | 0 |
| April 3, 1974 | F2 | Loudon County | 0.1 mi | 100 yd | 0 | 2 |
| April 24, 2010 | EF1 | Loudon County | 8 mi | 100 yd | 0 | 0 |
| October 26, 2010 | EF1 | Loudon County | 2 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 30, 2025 | EF0 | Loudon County | 2.5 mi | 200 yd | 0 | 5 |
| April 27, 2011 | EF0 | Loudon County | 1 mi | 50 yd | 0 | 0 |
| October 26, 2010 | EF1 | Loudon County | 2 mi | 50 yd | 0 | 0 |
| April 24, 2010 | EF1 | Loudon County | 8 mi | 100 yd | 0 | 0 |
| May 18, 1995 | F0 | Loudon County | 1 mi | 20 yd | 0 | 0 |
About Loudon County
- Population: 62,129 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047105 (how to use it)