Tornadoes in Shiawassee County
The Storm Prediction Center records 36 tornadoes whose paths touched Shiawassee County, Michigan between 1951 and 2025. They killed 3 people and injured 24. The busiest month is August, with 11 tornadoes. The strongest was an F4 on 11 April 1965. The most recent was on 30 March 2025.
- 36tornadoes
- 3deaths
- 24injuries
- 678per 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 Shiawassee County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 12 | 33% |
| F1 / EF1 | 14 | 39% |
| F2 / EF2 | 9 | 25% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Shiawassee 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 | 3 |
| 1960s | 2 |
| 1970s | 8 |
| 1980s | 4 |
| 1990s | 3 |
| 2000s | 5 |
| 2010s | 8 |
| 2020s | 3 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 4 |
| Apr | 6 |
| May | 8 |
| Jun | 4 |
| Jul | 0 |
| Aug | 11 |
| Sep | 1 |
| Oct | 1 |
| Nov | 1 |
| Dec | 0 |
Records for Shiawassee County
- Deadliest: Michigan tornado18 October 2007, EF2, 2 deaths, 1 injury, 19 miles long
- Strongest: DeWitt, Michigan tornado11 April 1965, F4, 1 death, 8 injuries, 21 miles long
- Longest path: Michigan tornado2 June 1971, F1, 3 injuries, 57.9 miles long
- Most recent: Michigan tornado30 March 2025, EF1, 0.9 miles long
Notable tornadoes in Shiawassee County
- DeWitt, Michigan tornado11 April 1965, F4, 1 death, 8 injuries, 21 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.