Tornadoes in Idaho
The Storm Prediction Center records 227 tornadoes that touched Idaho between 1954 and 2025, and 226 of them began there. A tornado that crossed a state line counts in every state it touched. None of them is recorded as having killed anyone. The busiest month is June, with 54 tornadoes.
- 227tornadoes
- 0deaths
- 11injuries
- 27per 10,000 sq mi of land
- 41counties 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 Idaho's tornadoes?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 155 | 68% |
| F1 / EF1 | 61 | 27% |
| F2 / EF2 | 10 | 4% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 1 | <1% |
Idaho tornadoes over time
The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1954.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 13 |
| 1960s | 16 |
| 1970s | 7 |
| 1980s | 41 |
| 1990s | 65 |
| 2000s | 49 |
| 2010s | 28 |
| 2020s | 8 |
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 Idaho was 2000, with 13.
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 6 |
| Mar | 11 |
| Apr | 27 |
| May | 47 |
| Jun | 54 |
| Jul | 29 |
| Aug | 26 |
| Sep | 16 |
| Oct | 9 |
| Nov | 1 |
| Dec | 1 |
Strongest tornadoes that touched Idaho
- Idaho tornado4 June 2006, F2, 1 injury, 12 miles long
- Idaho tornado8 May 1962, F2, 9.1 miles long
- Idaho tornado31 May 1997, F2, 5 miles long
- Idaho tornado17 August 1990, F2, 4 miles long
- Idaho tornado7 April 1978, F2, 1 injury, 1.5 miles long
- Idaho tornado9 April 1991, F2, 1 mile long
Most recent tornadoes in Idaho
- Idaho tornado27 October 2025, EF0, 0.1 miles long
- Idaho tornado1 April 2025, Unknown rating, 0.1 miles long
- Idaho tornado25 July 2024, EF0, 0.6 miles long
- Idaho tornado23 June 2023, EF0, 0.2 miles long
- Idaho tornado27 May 2023, EF0, 5 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.
Idaho counties
Every county that a tornado has touched is listed, most tornadoes first. 33 of them have at least 3 tornadoes and their own page.
| County | Tornadoes | Strongest |
|---|---|---|
| Bingham County | 22 | F/EF1 |
| Jefferson County | 22 | F/EF1 |
| Power County | 19 | F/EF2 |
| Ada County | 13 | F/EF1 |
| Twin Falls County | 12 | F/EF1 |
| Cassia County | 11 | F/EF0 |
| Bannock County | 9 | F/EF1 |
| Butte County | 8 | F/EF1 |
| Canyon County | 8 | F/EF1 |
| Clark County | 8 | F/EF1 |
| Blaine County | 7 | F/EF0 |
| Bonneville County | 7 | F/EF2 |
| Jerome County | 7 | F/EF2 |
| Madison County | 7 | F/EF2 |
| Gooding County | 6 | F/EF1 |
| Lincoln County | 6 | F/EF1 |
| Minidoka County | 6 | F/EF2 |
| Elmore County | 5 | F/EF1 |
| Fremont County | 5 | F/EF1 |
| Gem County | 5 | F/EF1 |
| Owyhee County | 5 | F/EF0 |
| Adams County | 4 | F/EF2 |
| Bonner County | 4 | F/EF2 |
| Camas County | 4 | F/EF1 |
| Caribou County | 4 | F/EF0 |
| Latah County | 4 | F/EF1 |
| Nez Perce County | 4 | F/EF2 |
| Custer County | 3 | F/EF0 |
| Franklin County | 3 | F/EF1 |
| Idaho County | 3 | F/EF0 |
| Lemhi County | 3 | F/EF1 |
| Oneida County | 3 | F/EF1 |
| Washington County | 3 | F/EF1 |
| Bear Lake County | 2 | F/EF0 |
| Kootenai County | 2 | F/EF2 |
| Payette County | 2 | F/EF1 |
| Boundary County | 1 | F/EF1 |
| Clearwater County | 1 | F/EF0 |
| Lewis County | 1 | F/EF0 |
| Shoshone County | 1 | F/EF0 |
| Teton County | 1 | F/EF0 |