Johnson County weather alerts
There are no active weather alerts for Johnson County, KY right now.
Since 2016 the National Weather Service has issued about 780 alerts that included Johnson County, roughly 78 a year. The most common is the severe thunderstorm warning (128 from 2016 to 2025). The last tornado warning was issued on May 27, 2026. 4 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 Johnson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Lawrence County, Magoffin County, Martin County, Floyd County.
Johnson County alert history
Alert events that included Johnson County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 128 | 36 | November 12, 2026 |
| Flood Advisory | 105 | 12 | September 4, 2026 |
| Winter Weather Advisory | 74 | 2 | February 6, 2026 |
| Flood Watch | 72 | 10 | September 23, 2026 |
| Freeze Warning | 53 | 7 | November 8, 2026 |
| Frost Advisory | 51 | 6 | November 9, 2026 |
| Severe Thunderstorm Watch | 46 | 8 | August 22, 2026 |
| Wind Advisory | 44 | 2 | March 16, 2026 |
| Dense Fog Advisory | 39 | 4 | September 13, 2026 |
| Freeze Watch | 26 | 4 | May 3, 2026 |
| Flash Flood Warning | 25 | 1 | August 17, 2026 |
| Flood Warning | 24 | 0 | April 4, 2025 |
| Winter Storm Warning | 19 | 1 | January 24, 2026 |
| Tornado Watch | 16 | 1 | June 18, 2026 |
| Winter Storm Watch | 13 | 1 | January 24, 2026 |
| Red Flag Warning | 12 | 1 | March 13, 2026 |
| Cold Weather Advisory | 8 | 2 | January 27, 2026 |
| Heat Advisory | 7 | 2 | September 2, 2026 |
| Tornado Warning | 5 | 1 | May 27, 2026 |
| Fire Weather Watch | 4 | 0 | March 30, 2022 |
| High Wind Warning | 4 | 0 | September 27, 2024 |
| Ice Storm Warning | 2 | 0 | February 15, 2021 |
| Extreme Heat Watch | 1 | 0 | July 19, 2019 |
| Extreme Cold Watch | 1 | 1 | January 26, 2026 |
| Extreme Cold Warning | 1 | 0 | December 23, 2022 |
| Extreme Heat Warning | 0 | 2 | July 4, 2026 |
Tornado history in Johnson County
4 tornadoes have been recorded in Johnson County since 1950, killing 12 people and injuring 155. That ranks 95 of 120 counties in Kentucky. The most recent was on June 9, 2013 (rated EF0).
Strongest tornadoes in Johnson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 2, 2012 | EF3 | Morgan County | 85 mi | 1,580 yd | 10 | 118 |
| March 2, 2012 | EF3 | Magoffin County | 49 mi | 1,320 yd | 2 | 37 |
| June 2, 1990 | F1 | Johnson County | 1 mi | 23 yd | 0 | 0 |
| June 9, 2013 | EF0 | Johnson County | 0.5 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 9, 2013 | EF0 | Johnson County | 0.5 mi | 50 yd | 0 | 0 |
| March 2, 2012 | EF3 | Magoffin County | 49 mi | 1,320 yd | 2 | 37 |
| March 2, 2012 | EF3 | Morgan County | 85 mi | 1,580 yd | 10 | 118 |
| June 2, 1990 | F1 | Johnson County | 1 mi | 23 yd | 0 | 0 |
About Johnson County
- Population: 22,098 (2024 estimate)
- State: Kentucky
- NOAA Weather Radio SAME code: 021115 (how to use it)