Karnes County weather alerts
There are no active weather alerts for Karnes County, TX right now.
Since 2016 the National Weather Service has issued about 733 alerts that included Karnes County, roughly 73 a year. The most common is the dense fog advisory (151 from 2016 to 2025). No tornado warnings were recorded here in that period. 22 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 Karnes County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Atascosa County, Goliad County, Wilson County, Gonzales County.
Karnes County alert history
Alert events that included Karnes County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Dense Fog Advisory | 151 | 7 | April 22, 2026 |
| Heat Advisory | 90 | 8 | September 14, 2026 |
| Flood Advisory | 88 | 7 | October 1, 2026 |
| Severe Thunderstorm Warning | 78 | 6 | August 28, 2026 |
| Flood Warning | 68 | 6 | July 18, 2026 |
| Severe Thunderstorm Watch | 51 | 3 | May 27, 2026 |
| Wind Advisory | 36 | 2 | October 16, 2026 |
| Extreme Heat Warning | 28 | 1 | June 18, 2026 |
| Red Flag Warning | 27 | 3 | March 15, 2026 |
| Flood Watch | 25 | 4 | October 1, 2026 |
| Flash Flood Warning | 19 | 0 | June 12, 2025 |
| Freeze Warning | 17 | 1 | January 18, 2026 |
| Fire Weather Watch | 11 | 1 | March 15, 2026 |
| Winter Weather Advisory | 10 | 0 | January 14, 2024 |
| Tornado Watch | 8 | 0 | June 20, 2024 |
| Cold Weather Advisory | 8 | 1 | January 31, 2026 |
| Winter Storm Warning | 5 | 1 | January 24, 2026 |
| Extreme Cold Warning | 4 | 1 | January 25, 2026 |
| Winter Storm Watch | 3 | 0 | January 21, 2025 |
| Tropical Storm Watch | 2 | 0 | September 12, 2021 |
| Extreme Cold Watch | 2 | 1 | January 25, 2026 |
| Hurricane Warning | 1 | 0 | August 24, 2017 |
| Tropical Storm Warning | 1 | 0 | August 24, 2017 |
Tornado history in Karnes County
22 tornadoes have been recorded in Karnes County since 1950, injuring 3 people. That ranks 177 of 254 counties in Texas. The most recent was on March 20, 2012 (rated EF0).
Strongest tornadoes in Karnes County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 25, 1966 | F3 | Karnes County | 0.1 mi | 100 yd | 0 | 3 |
| May 8, 1967 | F2 | Karnes County | 8.9 mi | 440 yd | 0 | 0 |
| October 15, 1960 | F2 | Karnes County | 2 mi | 880 yd | 0 | 0 |
| July 27, 1959 | F1 | Karnes County | 4 mi | 83 yd | 0 | 0 |
| November 15, 2001 | F1 | Karnes County | 2.5 mi | 200 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 20, 2012 | EF0 | Karnes County | 0.3 mi | 30 yd | 0 | 0 |
| November 23, 2004 | F0 | Karnes County | 0.1 mi | 20 yd | 0 | 0 |
| November 15, 2001 | F1 | Karnes County | 2.5 mi | 200 yd | 0 | 0 |
| November 15, 2001 | F0 | Karnes County | 0.1 mi | 20 yd | 0 | 0 |
| October 16, 1994 | F0 | Karnes County | 0.1 mi | 30 yd | 0 | 0 |
About Karnes County
- Population: 15,137 (2024 estimate)
- State: Texas
- NOAA Weather Radio SAME code: 048255 (how to use it)