Tornadoes in Warren County
The Storm Prediction Center records 35 tornadoes whose paths touched Warren County, Ohio between 1956 and 2025. They killed 6 people and injured 184. The busiest month is May, with 11 tornadoes. The strongest was an F4 on 9 April 1999. The most recent was on 2 April 2025.
- 35tornadoes
- 6deaths
- 184injuries
- 872per 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 Warren County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 19 | 54% |
| F1 / EF1 | 8 | 23% |
| F2 / EF2 | 4 | 11% |
| F3 / EF3 | 1 | 3% |
| F4 / EF4 | 3 | 9% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Warren 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 | 2 |
| 1960s | 1 |
| 1970s | 6 |
| 1990s | 7 |
| 2000s | 3 |
| 2010s | 5 |
| 2020s | 11 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 4 |
| Apr | 7 |
| May | 11 |
| Jun | 4 |
| Jul | 4 |
| Aug | 3 |
| Sep | 1 |
| Oct | 1 |
| Nov | 0 |
| Dec | 0 |
Records for Warren County
- Deadliest and Strongest: Mason, Ohio tornado9 April 1999, F4, 4 deaths, 65 injuries, 10 miles long
- Longest path: Ohio tornado10 May 1969, F3, 25 injuries, 54.5 miles long
- Most recent: Ohio tornado2 April 2025, EF0, 8.5 miles long
Notable tornadoes in Warren County
- Mason, Ohio tornado9 April 1999, F4, 4 deaths, 65 injuries, 10 miles long
- Cincinnati, Ohio tornado3 April 1974, F4, 2 deaths, 39 injuries, 19.8 miles long
- Fairfield, Ohio tornado2 June 1990, F4, 37 injuries, 33 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.