36 tornadoes touched Harmon County, Oklahoma between 1950 and 2025 — about 0.5 a year. The strongest was rated F2 (May 6, 1965).
Peak month: May.
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| May 6, 1965 | F2 | 31.3 mi | 10 yd | 2 | 0 |
| May 13, 1983 | F2 | 15 mi | 500 yd | 0 | 0 |
| Apr 15, 2003 | F2 | 9 mi | 350 yd | 0 | 0 |
| May 6, 1968 | F2 | 4.7 mi | 10 yd | 0 | 0 |
| Apr 17, 1976 | F1 | 23.5 mi | 50 yd | 2 | 0 |
| Jun 1, 1955 | F1 | 11.8 mi | 400 yd | 2 | 0 |
| Oct 1, 1986 | F1 | 10 mi | 50 yd | 0 | 0 |
| Apr 2, 1999 | F1 | 7.5 mi | 150 yd | 0 | 0 |
| Nov 18, 2024 | EF1 | 4 mi | 150 yd | 0 | 0 |
| May 10, 1953 | F1 | 3.6 mi | 440 yd | 0 | 0 |
| Nov 18, 2024 | EF1 | 3.4 mi | 50 yd | 0 | 0 |
| Apr 18, 1957 | F1 | 1.5 mi | 200 yd | 0 | 0 |
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Nov 18, 2024 | EF1 | 3.4 mi | 50 yd | 0 | 0 |
| Nov 18, 2024 | EF1 | 4 mi | 150 yd | 0 | 0 |
| Nov 18, 2024 | unrated | 2.7 mi | 30 yd | 0 | 0 |
| May 23, 2024 | EF0 | 0.8 mi | 20 yd | 0 | 0 |
| Feb 26, 2023 | unrated | 7.5 mi | 200 yd | 0 | 0 |
| May 31, 2022 | EF0 | 2.4 mi | 180 yd | 0 | 0 |
| May 31, 2022 | EF0 | 0.5 mi | 20 yd | 0 | 0 |
| May 31, 2022 | unrated | 0.3 mi | 20 yd | 0 | 0 |
| Mar 13, 2021 | unrated | 0.2 mi | 20 yd | 0 | 0 |
| May 20, 2019 | unrated | 0.5 mi | 50 yd | 0 | 0 |
| May 20, 2019 | unrated | 0.3 mi | 30 yd | 0 | 0 |
| May 20, 2019 | unrated | 0.1 mi | 20 yd | 0 | 0 |
36 tornadoes touched Harmon County, Oklahoma between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.5 per year.
The strongest rating recorded was F2 on May 6, 1965, with a 31.3-mile path.
Most of its tornadoes happened in May (20 of 36). 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.