Tornadoes in Lake County
The Storm Prediction Center records 30 tornadoes whose paths touched Lake County, South Dakota between 1956 and 2021. None of them is recorded as having killed anyone. The busiest month is June, with 14 tornadoes. The strongest was an F4 on 7 June 1993. The most recent was on 24 May 2021.
- 30tornadoes
- 0deaths
- 6injuries
- 533per 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 Lake County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 10 | 33% |
| F1 / EF1 | 8 | 27% |
| F2 / EF2 | 6 | 20% |
| F3 / EF3 | 4 | 13% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 1 | 3% |
Lake County tornadoes over time
The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 2 |
| 1960s | 5 |
| 1970s | 5 |
| 1980s | 3 |
| 1990s | 7 |
| 2000s | 4 |
| 2010s | 3 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 7 |
| Jun | 14 |
| Jul | 4 |
| Aug | 3 |
| Sep | 2 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Lake County
- Strongest: Canova, South Dakota tornado7 June 1993, F4, 4 injuries, 10 miles long
- Longest path: South Dakota tornado29 June 1956, F2, 1 injury, 18.6 miles long
- Most recent: South Dakota tornado24 May 2021, Unknown rating, 3.3 miles long
Notable tornadoes in Lake County
- Canova, South Dakota tornado7 June 1993, F4, 4 injuries, 10 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.