Union County weather alerts
There are no active weather alerts for Union County, NM right now.
Since 2016 the National Weather Service has issued about 1,391 alerts that included Union County, roughly 139 a year. The most common is the severe thunderstorm warning (580 from 2016 to 2025). The last tornado warning was issued on June 8, 2025. 46 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 Baca County, Dallam County, Las Animas County, Quay 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 | 580 | 44 | September 30, 2026 |
| Flood Advisory | 199 | 7 | September 8, 2026 |
| Wind Advisory | 159 | 13 | November 1, 2026 |
| Severe Thunderstorm Watch | 107 | 7 | August 25, 2026 |
| Winter Weather Advisory | 53 | 1 | January 23, 2026 |
| High Wind Warning | 50 | 3 | March 27, 2026 |
| High Wind Watch | 42 | 3 | March 27, 2026 |
| Flash Flood Warning | 38 | 1 | May 29, 2026 |
| Flood Watch | 29 | 4 | October 21, 2026 |
| Winter Storm Warning | 26 | 1 | January 7, 2026 |
| Tornado Warning | 23 | 0 | June 8, 2025 |
| Winter Storm Watch | 20 | 1 | January 9, 2026 |
| Dense Fog Advisory | 18 | 2 | October 27, 2026 |
| Freeze Warning | 8 | 4 | October 17, 2026 |
| Cold Weather Advisory | 8 | 1 | January 26, 2026 |
| Tornado Watch | 6 | 1 | November 2, 2026 |
| Freeze Watch | 5 | 4 | October 17, 2026 |
| Extreme Cold Warning | 5 | 0 | January 20, 2025 |
| Heat Advisory | 4 | 1 | July 27, 2026 |
| Blizzard Warning | 4 | 0 | November 7, 2024 |
| Extreme Cold Watch | 3 | 0 | January 21, 2025 |
| Dust Storm Warning | 2 | 0 | February 26, 2023 |
| Flood Warning | 1 | 0 | July 30, 2017 |
| Snow Squall Warning | 1 | 0 | January 11, 2024 |
Tornado history in Union County
46 tornadoes have been recorded in Union County since 1950. That ranks 6 of 33 counties in New Mexico. The most recent was on May 28, 2024 (rated unknown).
Strongest tornadoes in Union County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 23, 2010 | EF2 | Union County | 8.8 mi | 440 yd | 0 | 0 |
| September 18, 1965 | F2 | Union County | 5.1 mi | 100 yd | 0 | 0 |
| May 10, 1972 | F2 | Union County | 2.5 mi | 660 yd | 0 | 0 |
| May 17, 1962 | F1 | Union County | 15.3 mi | 10 yd | 0 | 0 |
| May 23, 2010 | EF1 | Union County | 9.3 mi | 175 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 28, 2024 | ? | Union County | 3.5 mi | 50 yd | 0 | 0 |
| May 30, 2021 | EF0 | Union County | 0.4 mi | 50 yd | 0 | 0 |
| July 4, 2020 | EF0 | Union County | 0 mi | 30 yd | 0 | 0 |
| July 5, 2019 | EF0 | Union County | 2.1 mi | 50 yd | 0 | 0 |
| May 26, 2019 | EF0 | Union County | 2.6 mi | 50 yd | 0 | 0 |
About Union County
- Population: 3,926 (2024 estimate)
- State: New Mexico
- NOAA Weather Radio SAME code: 035059 (how to use it)