Dimmit County weather alerts
There are no active weather alerts for Dimmit County, TX right now.
Since 2016 the National Weather Service has issued about 591 alerts that included Dimmit County, roughly 59 a year. The most common is the severe thunderstorm warning (99 from 2016 to 2025). The last tornado warning was issued on May 13, 2023. 3 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 Dimmit County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring La Salle County, Zavala County, Webb County, Frio County.
Dimmit County alert history
Alert events that included Dimmit County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 99 | 6 | May 27, 2026 |
| Red Flag Warning | 74 | 4 | March 15, 2026 |
| Dense Fog Advisory | 72 | 3 | March 9, 2026 |
| Flood Advisory | 67 | 5 | July 12, 2026 |
| Heat Advisory | 64 | 3 | July 28, 2026 |
| Severe Thunderstorm Watch | 58 | 5 | May 27, 2026 |
| Fire Weather Watch | 36 | 1 | March 15, 2026 |
| Wind Advisory | 34 | 2 | October 16, 2026 |
| Flood Watch | 17 | 3 | October 1, 2026 |
| Freeze Warning | 13 | 1 | January 18, 2026 |
| Flash Flood Warning | 10 | 0 | July 15, 2025 |
| Winter Weather Advisory | 10 | 1 | January 25, 2026 |
| Flood Warning | 9 | 1 | July 17, 2026 |
| Extreme Heat Warning | 7 | 1 | June 18, 2026 |
| Cold Weather Advisory | 5 | 0 | February 19, 2025 |
| Tornado Warning | 3 | 0 | May 13, 2023 |
| Tornado Watch | 3 | 0 | April 29, 2021 |
| Extreme Cold Warning | 3 | 1 | January 25, 2026 |
| High Wind Warning | 2 | 0 | March 2, 2023 |
| Winter Storm Watch | 2 | 0 | January 20, 2022 |
| Winter Storm Warning | 2 | 0 | February 17, 2021 |
| Extreme Cold Watch | 1 | 1 | January 25, 2026 |
Tornado history in Dimmit County
3 tornadoes have been recorded in Dimmit County since 1950. That ranks 253 of 254 counties in Texas. The most recent was on September 17, 1988 (rated F0).
Strongest tornadoes in Dimmit County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| February 25, 1971 | F2 | Dimmit County | 2 mi | 50 yd | 0 | 0 |
| April 27, 1972 | F1 | Dimmit County | 0.5 mi | 20 yd | 0 | 0 |
| September 17, 1988 | F0 | Dimmit County | 0.2 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 17, 1988 | F0 | Dimmit County | 0.2 mi | 10 yd | 0 | 0 |
| April 27, 1972 | F1 | Dimmit County | 0.5 mi | 20 yd | 0 | 0 |
| February 25, 1971 | F2 | Dimmit County | 2 mi | 50 yd | 0 | 0 |
About Dimmit County
- Population: 8,181 (2024 estimate)
- State: Texas
- NOAA Weather Radio SAME code: 048127 (how to use it)