Harrison County weather alerts
There are no active weather alerts for Harrison County, TX right now.
Since 2016 the National Weather Service has issued about 1,132 alerts that included Harrison County, roughly 113 a year. The most common is the severe thunderstorm warning (348 from 2016 to 2025). The last tornado warning was issued on April 4, 2026. 84 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 Harrison County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Panola County, Gregg County, Upshur County, Rusk County.
Harrison County alert history
Alert events that included Harrison County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 348 | 41 | November 3, 2026 |
| Heat Advisory | 115 | 12 | September 12, 2026 |
| Flood Warning | 83 | 0 | June 21, 2025 |
| Tornado Watch | 80 | 5 | April 28, 2026 |
| Severe Thunderstorm Watch | 71 | 7 | July 6, 2026 |
| Dense Fog Advisory | 68 | 3 | November 1, 2026 |
| Tornado Warning | 64 | 6 | April 4, 2026 |
| Flood Advisory | 63 | 5 | October 4, 2026 |
| Flood Watch | 51 | 4 | June 22, 2026 |
| Flash Flood Warning | 49 | 7 | July 13, 2026 |
| Wind Advisory | 42 | 2 | October 16, 2026 |
| Extreme Heat Warning | 31 | 2 | August 21, 2026 |
| Freeze Warning | 22 | 1 | March 17, 2026 |
| Cold Weather Advisory | 13 | 1 | January 31, 2026 |
| Winter Weather Advisory | 8 | 0 | January 31, 2023 |
| Winter Storm Warning | 6 | 1 | January 24, 2026 |
| Red Flag Warning | 5 | 1 | October 16, 2026 |
| Winter Storm Watch | 4 | 1 | January 23, 2026 |
| Freeze Watch | 4 | 0 | November 10, 2025 |
| Fire Weather Watch | 2 | 1 | October 16, 2026 |
| Tropical Storm Watch | 1 | 0 | August 25, 2020 |
| Tropical Storm Warning | 1 | 0 | August 26, 2020 |
| Extreme Cold Watch | 1 | 1 | January 26, 2026 |
| Extreme Cold Warning | 0 | 1 | January 26, 2026 |
| Ice Storm Warning | 0 | 1 | January 24, 2026 |
Tornado history in Harrison County
84 tornadoes have been recorded in Harrison County since 1950, injuring 13 people. That ranks 18 of 254 counties in Texas. The most recent was on March 4, 2025 (rated EF1).
Strongest tornadoes in Harrison County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 3, 1958 | F3 | Gregg County | 59.2 mi | 440 yd | 0 | 0 |
| November 4, 1959 | F3 | Harrison County | 15.5 mi | 67 yd | 0 | 0 |
| October 22, 1972 | F3 | Harrison County | 0.5 mi | 30 yd | 0 | 2 |
| May 6, 2003 | F2 | Wood County | 54.4 mi | 880 yd | 0 | 5 |
| April 23, 2000 | F2 | Harrison County | 17 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 4, 2025 | EF1 | Harrison County | 1 mi | 100 yd | 0 | 0 |
| July 8, 2024 | EF1 | Harrison County | 9.7 mi | 270 yd | 0 | 0 |
| July 8, 2024 | EF1 | Panola County | 9.8 mi | 215 yd | 0 | 0 |
| December 13, 2022 | EF2 | Panola County | 9.2 mi | 460 yd | 0 | 0 |
| March 21, 2022 | EF1 | Harrison County | 6.6 mi | 200 yd | 0 | 0 |
About Harrison County
- Population: 71,370 (2024 estimate)
- State: Texas
- NOAA Weather Radio SAME code: 048203 (how to use it)