Tornadoes in Jefferson County
The Storm Prediction Center records 50 tornadoes whose paths touched Jefferson County, Wisconsin between 1965 and 2024. They killed 5 people and injured 65. The busiest month is June, with 13 tornadoes. The strongest was an F3 on 18 August 2005. The most recent was on 22 June 2024.
- 50tornadoes
- 5deaths
- 65injuries
- 898per 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 | 22 | 44% |
| F1 / EF1 | 19 | 38% |
| F2 / EF2 | 7 | 14% |
| F3 / EF3 | 2 | 4% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Jefferson County tornadoes over time
The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1960s | 2 |
| 1970s | 6 |
| 1980s | 6 |
| 1990s | 3 |
| 2000s | 11 |
| 2010s | 7 |
| 2020s | 15 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 1 |
| Mar | 3 |
| Apr | 1 |
| May | 3 |
| Jun | 13 |
| Jul | 13 |
| Aug | 9 |
| Sep | 2 |
| Oct | 5 |
| Nov | 0 |
| Dec | 0 |
Records for Jefferson County
- Deadliest: Watertown, Wisconsin tornado11 April 1965, F2, 3 deaths, 28 injuries, 14.5 miles long
- Strongest: Fitchburg, Wisconsin tornado18 August 2005, F3, 1 death, 23 injuries, 18.6 miles long
- Longest path: Wisconsin tornado14 July 1972, F1, 34 miles long
- Most recent: Wisconsin tornado22 June 2024, EF1, 2.1 miles long
Notable tornadoes in Jefferson County
- Watertown, Wisconsin tornado11 April 1965, F2, 3 deaths, 28 injuries, 14.5 miles long
- Fitchburg, Wisconsin tornado18 August 2005, F3, 1 death, 23 injuries, 18.6 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.