Tornadoes in McPherson County
The Storm Prediction Center records 33 tornadoes whose paths touched McPherson County, South Dakota between 1961 and 2025. They killed 2 people and injured 5. The busiest month is July, with 13 tornadoes. The strongest was an F3 on 31 July 1966. The most recent was on 5 August 2025.
- 33tornadoes
- 2deaths
- 5injuries
- 290per 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 McPherson County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 18 | 55% |
| F1 / EF1 | 7 | 21% |
| F2 / EF2 | 5 | 15% |
| F3 / EF3 | 2 | 6% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 1 | 3% |
McPherson 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 | 7 |
| 1970s | 4 |
| 1980s | 3 |
| 1990s | 5 |
| 2000s | 8 |
| 2010s | 4 |
| 2020s | 2 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 1 |
| Jun | 9 |
| Jul | 13 |
| Aug | 7 |
| Sep | 3 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for McPherson County
- Deadliest and Strongest: Venturia, North Dakota tornado31 July 1966, F3, 2 deaths, 4 injuries, 26.4 miles long
- Longest path: South Dakota tornado28 June 1961, F2, 49.7 miles long
- Most recent: South Dakota tornado5 August 2025, Unknown rating, 0 miles long
Notable tornadoes in McPherson County
- Venturia, North Dakota tornado31 July 1966, F3, 2 deaths, 4 injuries, 26.4 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.