Hamilton County weather alerts
There are no active weather alerts for Hamilton County, TN right now.
Since 2016 the National Weather Service has issued about 907 alerts that included Hamilton County, roughly 91 a year. The most common is the severe thunderstorm warning (225 from 2016 to 2025). The last tornado warning was issued on May 24, 2026. 27 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 Hamilton County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Sequatchie County, Bledsoe County, Walker County, Meigs County.
Hamilton County alert history
Alert events that included Hamilton County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 225 | 26 | September 21, 2026 |
| Flood Advisory | 161 | 10 | September 23, 2026 |
| Flood Warning | 122 | 0 | August 13, 2025 |
| Dense Fog Advisory | 51 | 7 | November 6, 2026 |
| Wind Advisory | 47 | 2 | October 10, 2026 |
| Flood Watch | 43 | 8 | October 10, 2026 |
| Flash Flood Warning | 39 | 3 | August 12, 2026 |
| Severe Thunderstorm Watch | 37 | 4 | August 17, 2026 |
| Tornado Watch | 37 | 1 | March 16, 2026 |
| Freeze Warning | 34 | 0 | November 2, 2023 |
| Frost Advisory | 20 | 0 | April 6, 2024 |
| Winter Weather Advisory | 18 | 1 | January 30, 2026 |
| Heat Advisory | 17 | 5 | September 3, 2026 |
| Freeze Watch | 15 | 0 | November 1, 2023 |
| Tornado Warning | 15 | 1 | May 24, 2026 |
| Cold Weather Advisory | 6 | 3 | January 31, 2026 |
| Winter Storm Watch | 5 | 1 | January 24, 2026 |
| Winter Storm Warning | 4 | 0 | January 10, 2025 |
| Red Flag Warning | 3 | 0 | March 1, 2025 |
| Extreme Cold Watch | 2 | 0 | January 20, 2025 |
| High Wind Watch | 2 | 1 | October 10, 2026 |
| 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 Hamilton County
27 tornadoes have been recorded in Hamilton County since 1950, killing 2 people and injuring 105. That ranks 15 of 95 counties in Tennessee. The most recent was on March 2, 2023 (rated EF0).
Strongest tornadoes in Hamilton County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 15, 1994 | F3 | Hamilton County | 15 mi | 880 yd | 1 | 9 |
| March 2, 2012 | EF3 | Hamilton County | 41 mi | 400 yd | 0 | 44 |
| March 29, 1997 | F3 | Hamilton County | 8 mi | 100 yd | 0 | 44 |
| April 21, 1995 | F2 | Hamilton County | 5 mi | 330 yd | 0 | 0 |
| April 27, 2011 | EF2 | Hamilton County | 2.3 mi | 500 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 2, 2023 | EF0 | Hamilton County | 2.2 mi | 100 yd | 0 | 0 |
| March 2, 2012 | EF3 | Hamilton County | 41 mi | 400 yd | 0 | 44 |
| April 27, 2011 | EF1 | Hamilton County | 3.6 mi | 200 yd | 0 | 0 |
| April 27, 2011 | EF1 | Hamilton County | 4 mi | 90 yd | 0 | 0 |
| April 27, 2011 | EF0 | Hamilton County | 0.1 mi | 70 yd | 0 | 0 |
About Hamilton County
- Population: 386,256 (2024 estimate)
- State: Tennessee
- NOAA Weather Radio SAME code: 047065 (how to use it)
- Cities: Chattanooga