Union County weather alerts
There are no active weather alerts for Union County, FL right now.
Since 2016 the National Weather Service has issued about 920 alerts that included Union County, roughly 92 a year. The most common is the dense fog advisory (165 from 2016 to 2025). The last tornado warning was issued on August 4, 2024. 8 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 Alachua County, Columbia County, Bradford County, Baker 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 |
|---|---|---|---|
| Dense Fog Advisory | 165 | 14 | November 9, 2026 |
| Severe Thunderstorm Warning | 112 | 17 | September 6, 2026 |
| Flood Advisory | 105 | 17 | October 7, 2026 |
| Freeze Warning | 90 | 14 | March 18, 2026 |
| Freeze Watch | 69 | 11 | March 18, 2026 |
| Heat Advisory | 59 | 21 | August 21, 2026 |
| Flood Warning | 53 | 0 | June 13, 2025 |
| Frost Advisory | 45 | 5 | February 25, 2026 |
| Wind Advisory | 45 | 3 | March 28, 2026 |
| Tornado Watch | 42 | 3 | October 9, 2026 |
| Cold Weather Advisory | 24 | 8 | February 24, 2026 |
| Flood Watch | 22 | 2 | October 10, 2026 |
| Tornado Warning | 12 | 0 | August 4, 2024 |
| Red Flag Warning | 11 | 6 | April 21, 2026 |
| Severe Thunderstorm Watch | 11 | 1 | July 29, 2026 |
| Tropical Storm Warning | 11 | 0 | October 7, 2024 |
| Extreme Heat Watch | 10 | 1 | July 29, 2026 |
| Tropical Storm Watch | 8 | 0 | October 7, 2024 |
| Extreme Heat Warning | 8 | 2 | August 18, 2026 |
| Flash Flood Warning | 5 | 1 | October 4, 2026 |
| Fire Weather Watch | 5 | 3 | April 21, 2026 |
| Hurricane Watch | 2 | 0 | August 28, 2023 |
| Hurricane Warning | 2 | 0 | August 28, 2023 |
| Winter Storm Watch | 2 | 0 | January 22, 2025 |
| Winter Storm Warning | 2 | 0 | January 22, 2025 |
| Extreme Cold Watch | 0 | 1 | February 1, 2026 |
| Extreme Cold Warning | 0 | 1 | February 1, 2026 |
Tornado history in Union County
8 tornadoes have been recorded in Union County since 1950. That ranks 64 of 67 counties in Florida. The most recent was on August 4, 2024 (rated EF1).
Strongest tornadoes in Union County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 23, 1983 | F1 | Union County | 10 mi | 50 yd | 0 | 0 |
| August 4, 2006 | F1 | Union County | 5.5 mi | 100 yd | 0 | 0 |
| August 12, 2004 | F1 | Union County | 1 mi | 1 yd | 0 | 0 |
| August 4, 2024 | EF1 | Union County | 0.2 mi | 20 yd | 0 | 0 |
| July 12, 1990 | F0 | Union County | 0.1 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 4, 2024 | EF1 | Union County | 0.2 mi | 20 yd | 0 | 0 |
| June 7, 2020 | EF0 | Union County | 0 mi | 25 yd | 0 | 0 |
| August 4, 2006 | F1 | Union County | 5.5 mi | 100 yd | 0 | 0 |
| August 12, 2004 | F1 | Union County | 1 mi | 1 yd | 0 | 0 |
| June 11, 2001 | F0 | Union County | 0.1 mi | 10 yd | 0 | 0 |
About Union County
- Population: 15,738 (2024 estimate)
- State: Florida
- NOAA Weather Radio SAME code: 012125 (how to use it)