Tornadoes in Oconto County
The Storm Prediction Center records 17 tornadoes whose paths touched Oconto County, Wisconsin between 1966 and 2025. None of them is recorded as having killed anyone. The busiest month is June, with 9 tornadoes. The strongest was an F3 on 28 September 1971. The most recent was on 23 July 2025.
- 17tornadoes
- 0deaths
- 4injuries
- 170per 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 Oconto County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 4 | 24% |
| F1 / EF1 | 6 | 35% |
| F2 / EF2 | 4 | 24% |
| F3 / EF3 | 3 | 18% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Oconto 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 |
|---|---|
| 1960s | 4 |
| 1970s | 4 |
| 1980s | 1 |
| 1990s | 1 |
| 2000s | 1 |
| 2010s | 2 |
| 2020s | 4 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 1 |
| May | 1 |
| Jun | 9 |
| Jul | 4 |
| Aug | 1 |
| Sep | 1 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Oconto County
- Strongest and Longest path: Wisconsin tornado28 September 1971, F3, 78.4 miles long
- Most recent: Wisconsin tornado23 July 2025, EF0, 2.4 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.