Union County weather alerts
There are no active weather alerts for Union County, KY right now.
Since 2016 the National Weather Service has issued about 901 alerts that included Union County, roughly 90 a year. The most common is the severe thunderstorm warning (127 from 2016 to 2025). The last tornado warning was issued on May 17, 2025. 29 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 Union County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Posey County, Gallatin County, Crittenden County, Henderson County.
Union County alert history
Alert events that included Union County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 127 | 12 | July 27, 2026 |
| Flood Warning | 117 | 5 | May 29, 2026 |
| Dense Fog Advisory | 75 | 3 | October 15, 2026 |
| Wind Advisory | 66 | 5 | June 17, 2026 |
| Flood Watch | 65 | 6 | August 20, 2026 |
| Severe Thunderstorm Watch | 60 | 8 | November 11, 2026 |
| Tornado Watch | 56 | 6 | June 26, 2026 |
| Flood Advisory | 54 | 6 | October 2, 2026 |
| Winter Weather Advisory | 46 | 1 | January 21, 2026 |
| Tornado Warning | 37 | 0 | May 17, 2025 |
| Frost Advisory | 33 | 2 | November 7, 2026 |
| Heat Advisory | 32 | 9 | September 14, 2026 |
| Freeze Warning | 31 | 2 | November 8, 2026 |
| Flash Flood Warning | 23 | 2 | July 27, 2026 |
| Freeze Watch | 14 | 1 | November 8, 2026 |
| Winter Storm Warning | 12 | 1 | January 24, 2026 |
| Cold Weather Advisory | 12 | 2 | January 31, 2026 |
| Winter Storm Watch | 11 | 1 | January 24, 2026 |
| Extreme Heat Warning | 9 | 5 | September 1, 2026 |
| Red Flag Warning | 7 | 0 | April 20, 2023 |
| Extreme Heat Watch | 4 | 2 | September 1, 2026 |
| Fire Weather Watch | 3 | 0 | April 20, 2023 |
| Ice Storm Warning | 3 | 0 | January 5, 2025 |
| High Wind Warning | 2 | 1 | March 15, 2026 |
| Extreme Cold Watch | 1 | 0 | December 23, 2022 |
| Extreme Cold Warning | 1 | 1 | January 26, 2026 |
Tornado history in Union County
29 tornadoes have been recorded in Union County since 1950, injuring 26 people. That ranks 7 of 120 counties in Kentucky. The most recent was on May 16, 2025 (rated EF3).
Strongest tornadoes in Union County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 28, 1960 | F3 | Union County | 14.2 mi | 10 yd | 0 | 12 |
| November 17, 2013 | EF3 | Union County | 14.1 mi | 200 yd | 0 | 0 |
| March 28, 2009 | EF3 | Union County | 12.4 mi | 400 yd | 0 | 2 |
| May 16, 2025 | EF3 | Union County | 9.9 mi | 500 yd | 0 | 4 |
| April 22, 2011 | EF2 | Union County | 15.5 mi | 300 yd | 0 | 2 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 16, 2025 | EF3 | Union County | 9.9 mi | 500 yd | 0 | 4 |
| July 9, 2024 | EF1 | Union County | 6.3 mi | 150 yd | 0 | 0 |
| July 9, 2024 | EF1 | Union County | 3.3 mi | 150 yd | 0 | 0 |
| May 26, 2024 | EF0 | Union County | 3.5 mi | 50 yd | 0 | 0 |
| April 2, 2024 | EF1 | Union County | 0.7 mi | 100 yd | 0 | 1 |
About Union County
- Population: 13,178 (2024 estimate)
- State: Kentucky
- NOAA Weather Radio SAME code: 021225 (how to use it)