70 tornadoes touched Grayson County, Texas between 1950 and 2025 — about 0.9 a year. The strongest was rated F3 (May 9, 2006). Tornadoes here killed 5 and injured 74 people.
Peak month: April.
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| May 9, 2006 | F3 | 9.3 mi | 300 yd | 10 | 3 |
| Apr 6, 1955 | F3 | 30.2 mi | 67 yd | 27 | 1 |
| Apr 2, 1957 | F3 | 10.7 mi | 33 yd | 4 | 0 |
| Mar 10, 1973 | F3 | 6.8 mi | 100 yd | 3 | 0 |
| Mar 12, 1971 | F3 | 5.2 mi | 440 yd | 0 | 0 |
| Mar 12, 1971 | F3 | 5.1 mi | 440 yd | 0 | 0 |
| May 14, 1974 | F3 | 2 mi | 33 yd | 0 | 0 |
| Apr 18, 1957 | F3 | 1 mi | 17 yd | 0 | 0 |
| Mar 21, 2022 | EF2 | 5.1 mi | 200 yd | 11 | 1 |
| Apr 6, 1955 | F2 | 37.9 mi | 10 yd | 1 | 0 |
| Apr 6, 1955 | F2 | 5.2 mi | 10 yd | 0 | 0 |
| Apr 3, 1952 | F2 | 4.9 mi | 200 yd | 1 | 0 |
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Jun 8, 2025 | EF1 | 4 mi | 400 yd | 0 | 0 |
| Mar 21, 2022 | EF2 | 5.1 mi | 200 yd | 11 | 1 |
| Apr 26, 2016 | EF0 | 0.2 mi | 80 yd | 0 | 0 |
| Apr 26, 2016 | EF0 | 2.4 mi | 150 yd | 5 | 0 |
| Apr 26, 2016 | EF0 | 6 mi | 75 yd | 0 | 0 |
| May 25, 2015 | EF0 | 1.7 mi | 30 yd | 0 | 0 |
| May 20, 2015 | EF0 | 0.3 mi | 30 yd | 0 | 0 |
| May 10, 2015 | EF1 | 2.6 mi | 100 yd | 0 | 0 |
| Dec 8, 2008 | EF1 | 10.6 mi | 200 yd | 1 | 0 |
| Dec 8, 2008 | EF2 | 3.6 mi | 125 yd | 3 | 0 |
| Apr 9, 2008 | EF0 | 1.3 mi | 50 yd | 0 | 0 |
| May 9, 2006 | F0 | 0.1 mi | 25 yd | 0 | 0 |
Deadliest: May 9, 2006, F3, 3 killed.
70 tornadoes touched Grayson County, Texas between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.9 per year.
The strongest rating recorded was F3 on May 9, 2006, with a 9.3-mile path and 3 deaths.
Most of its tornadoes happened in April (27 of 70). Tornadoes can occur in any month, so keep alerts on year-round.
Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).