Tornadoes in Wyoming
The Storm Prediction Center records 758 tornadoes that touched Wyoming between 1950 and 2025, and 749 of them began there. A tornado that crossed a state line counts in every state it touched. They killed 4 people and injured 115. The busiest month is June, with 328 tornadoes.
- 758tornadoes
- 4deaths
- 115injuries
- 78per 10,000 sq mi of land
- 23counties touched
Tornadoes per 10,000 square miles lets you compare states of different sizes. It counts every tornado that touched the state.
How strong were Wyoming's tornadoes?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 443 | 58% |
| F1 / EF1 | 202 | 27% |
| F2 / EF2 | 64 | 8% |
| F3 / EF3 | 13 | 2% |
| F4 / EF4 | 1 | <1% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 35 | 5% |
Wyoming tornadoes over time
The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 38 |
| 1960s | 70 |
| 1970s | 135 |
| 1980s | 112 |
| 1990s | 161 |
| 2000s | 82 |
| 2010s | 117 |
| 2020s | 43 |
The record has changed over the decades as detection and reporting improved, so more weak tornadoes show up in recent years than in the 1950s. The year with the most in Wyoming was 1979, with 42.
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 15 |
| May | 163 |
| Jun | 328 |
| Jul | 163 |
| Aug | 63 |
| Sep | 25 |
| Oct | 1 |
| Nov | 0 |
| Dec | 0 |
Deadliest tornadoes that touched Wyoming
- Wyoming tornado12 August 2005, F2, 2 deaths, 13 injuries, 1.5 miles long
- Cheyenne, Wyoming tornado16 July 1979, F3, 1 death, 40 injuries, 8.8 miles long
- Wyoming tornado26 June 1959, F2, 1 death, 1 injury, 9.2 miles long
Strongest tornadoes that touched Wyoming
- Kelly, Wyoming tornado21 July 1987, F4, 24.3 miles long
- Cheyenne, Wyoming tornado16 July 1979, F3, 1 death, 40 injuries, 8.8 miles long
- Wyoming tornado12 July 1965, F3, 20.8 miles long
- Wyoming tornado23 April 1960, F3, 1 injury, 17.2 miles long
- Wyoming tornado23 May 1978, F3, 14.5 miles long
- Wyoming tornado25 June 1975, F3, 11.5 miles long
Most recent tornadoes in Wyoming
- Wyoming tornado15 October 2025, EF1, 1 miles long
- Wyoming tornado19 July 2025, EF1, 0 miles long
- Wyoming tornado1 July 2025, EF0, 0.8 miles long
- Wyoming tornado17 June 2025, Unknown rating, 0.1 miles long
- Wyoming tornado17 June 2025, Unknown rating, 0.1 miles long
Notable Wyoming tornadoes with their own pages
- Cheyenne, Wyoming tornado16 July 1979, F3, 1 death, 40 injuries, 8.8 miles long
- Kelly, Wyoming tornado21 July 1987, F4, 24.3 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.
Wyoming counties
Every county that a tornado has touched is listed, most tornadoes first. 23 of them have at least 3 tornadoes and their own page.
| County | Tornadoes | Strongest |
|---|---|---|
| Laramie County | 136 | F/EF3 |
| Campbell County | 99 | F/EF3 |
| Goshen County | 94 | F/EF3 |
| Converse County | 53 | F/EF3 |
| Platte County | 53 | F/EF3 |
| Crook County | 44 | F/EF3 |
| Niobrara County | 43 | F/EF2 |
| Natrona County | 39 | F/EF2 |
| Albany County | 34 | F/EF3 |
| Big Horn County | 32 | F/EF3 |
| Weston County | 31 | F/EF2 |
| Sweetwater County | 27 | F/EF1 |
| Fremont County | 22 | F/EF3 |
| Johnson County | 22 | F/EF2 |
| Carbon County | 19 | F/EF2 |
| Park County | 11 | F/EF4 |
| Sheridan County | 11 | F/EF1 |
| Washakie County | 10 | F/EF2 |
| Sublette County | 9 | F/EF1 |
| Hot Springs County | 6 | F/EF2 |
| Lincoln County | 6 | F/EF1 |
| Teton County | 3 | F/EF4 |
| Uinta County | 3 | F/EF2 |