Cannon County weather alerts
There are no active weather alerts for Cannon County, TN right now.
Since 2016 the National Weather Service has issued about 741 alerts that included Cannon County, roughly 74 a year. The most common is the severe thunderstorm warning (142 from 2016 to 2025). The last tornado warning was issued on May 21, 2025. 11 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 Cannon County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Coffee County, Warren County, DeKalb County, Wilson County.
Cannon County alert history
Alert events that included Cannon County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 142 | 7 | August 17, 2026 |
| Dense Fog Advisory | 94 | 11 | November 5, 2026 |
| Flood Advisory | 70 | 1 | July 11, 2026 |
| Wind Advisory | 69 | 2 | October 10, 2026 |
| Severe Thunderstorm Watch | 54 | 6 | August 17, 2026 |
| Flood Watch | 46 | 6 | October 10, 2026 |
| Tornado Watch | 46 | 1 | March 16, 2026 |
| Freeze Warning | 42 | 0 | November 1, 2023 |
| Frost Advisory | 28 | 0 | April 22, 2024 |
| Winter Weather Advisory | 28 | 0 | February 19, 2025 |
| Tornado Warning | 24 | 0 | May 21, 2025 |
| Flash Flood Warning | 23 | 2 | August 12, 2026 |
| Heat Advisory | 19 | 6 | September 15, 2026 |
| Freeze Watch | 18 | 0 | March 21, 2023 |
| Cold Weather Advisory | 13 | 2 | January 31, 2026 |
| Winter Storm Warning | 9 | 1 | January 24, 2026 |
| Winter Storm Watch | 7 | 1 | January 24, 2026 |
| High Wind Warning | 2 | 0 | March 3, 2023 |
| Red Flag Warning | 2 | 0 | April 20, 2023 |
| Flood Warning | 1 | 0 | November 7, 2017 |
| Extreme Cold Watch | 1 | 0 | December 23, 2022 |
| Extreme Cold Warning | 1 | 1 | January 27, 2026 |
| Extreme Heat Warning | 1 | 2 | August 14, 2026 |
| Fire Weather Watch | 1 | 0 | April 20, 2023 |
| Extreme Heat Watch | 0 | 1 | June 29, 2026 |
Tornado history in Cannon County
11 tornadoes have been recorded in Cannon County since 1950, killing 2 people and injuring 29. That ranks 63 of 95 counties in Tennessee. The most recent was on April 1, 2023 (rated EF2).
Strongest tornadoes in Cannon County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 3, 1974 | F3 | Cannon County | 14.6 mi | 100 yd | 1 | 23 |
| May 31, 2001 | F2 | Cannon County | 6.3 mi | 440 yd | 1 | 2 |
| April 1, 2023 | EF2 | Rutherford County | 18.5 mi | 500 yd | 0 | 2 |
| January 24, 1997 | F2 | Cannon County | 3.2 mi | 440 yd | 0 | 2 |
| April 28, 2002 | F2 | Cannon County | 0.9 mi | 30 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 1, 2023 | EF2 | Rutherford County | 18.5 mi | 500 yd | 0 | 2 |
| November 6, 2018 | EF1 | Cannon County | 8.7 mi | 350 yd | 0 | 0 |
| September 24, 2018 | EF0 | Cannon County | 0.4 mi | 30 yd | 0 | 0 |
| January 30, 2013 | EF0 | Cannon County | 6.7 mi | 200 yd | 0 | 0 |
| April 10, 2009 | EF0 | Cannon County | 0.8 mi | 75 yd | 0 | 0 |
About Cannon County
- Population: 15,142 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047015 (how to use it)