Tornadoes in Jefferson County
The Storm Prediction Center records 22 tornadoes whose paths touched Jefferson County, Idaho between 1972 and 2025. None of them is recorded as having killed anyone. The busiest month is June, with 7 tornadoes. The strongest was an F1 on 23 March 1988. The most recent was on 27 October 2025.
- 22tornadoes
- 0deaths
- 0injuries
- 201per 10,000 sq mi of land
A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.
How strong were the tornadoes in Jefferson County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 11 | 50% |
| F1 / EF1 | 11 | 50% |
| F2 / EF2 | 0 | 0% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Jefferson County 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 |
|---|---|
| 1970s | 1 |
| 1980s | 7 |
| 1990s | 5 |
| 2000s | 4 |
| 2010s | 4 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 1 |
| Apr | 5 |
| May | 4 |
| Jun | 7 |
| Jul | 4 |
| Aug | 0 |
| Sep | 0 |
| Oct | 1 |
| Nov | 0 |
| Dec | 0 |
Records for Jefferson County
- Strongest and Longest path: Idaho tornado23 March 1988, F1, 15 miles long
- Most recent: Idaho tornado27 October 2025, EF0, 0.1 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.