Tornadoes in Winona County
The Storm Prediction Center records 27 tornadoes whose paths touched Winona County, Minnesota between 1953 and 2025. They killed 2 people and injured 36. The busiest month is June, with 7 tornadoes. The strongest was an F4 on 10 May 1953. The most recent was on 25 June 2025.
- 27tornadoes
- 2deaths
- 36injuries
- 431per 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 Winona County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 15 | 56% |
| F1 / EF1 | 7 | 26% |
| F2 / EF2 | 3 | 11% |
| F3 / EF3 | 1 | 4% |
| F4 / EF4 | 1 | 4% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Winona 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 |
|---|---|
| 1950s | 1 |
| 1960s | 4 |
| 1980s | 5 |
| 1990s | 3 |
| 2010s | 3 |
| 2020s | 11 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 2 |
| May | 6 |
| Jun | 7 |
| Jul | 6 |
| Aug | 0 |
| Sep | 2 |
| Oct | 0 |
| Nov | 0 |
| Dec | 4 |
Records for Winona County
- Deadliest and Strongest and Longest path: Chester, Iowa tornado10 May 1953, F4, 2 deaths, 24 injuries, 162 miles long
- Most recent: Minnesota tornado25 June 2025, EF0, 1.4 miles long
Notable tornadoes in Winona County
- Chester, Iowa tornado10 May 1953, F4, 2 deaths, 24 injuries, 162 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.