Tornadoes in Butler County
The Storm Prediction Center records 30 tornadoes whose paths touched Butler County, Pennsylvania between 1954 and 2025. They killed 9 people and injured 122. The busiest month is July, with 9 tornadoes. The strongest was an F3 on 31 May 1985. The most recent was on 21 May 2025.
- 30tornadoes
- 9deaths
- 122injuries
- 380per 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 Butler County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 17 | 57% |
| F1 / EF1 | 8 | 27% |
| F2 / EF2 | 4 | 13% |
| F3 / EF3 | 1 | 3% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Butler 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 |
| 1970s | 4 |
| 1980s | 5 |
| 1990s | 6 |
| 2000s | 3 |
| 2010s | 7 |
| 2020s | 4 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 3 |
| May | 6 |
| Jun | 5 |
| Jul | 9 |
| Aug | 3 |
| Sep | 1 |
| Oct | 3 |
| Nov | 0 |
| Dec | 0 |
Records for Butler County
- Deadliest and Strongest and Longest path: Seven Fields, Pennsylvania tornado31 May 1985, F3, 9 deaths, 120 injuries, 39 miles long
- Most recent: Pennsylvania tornado21 May 2025, EF0, 0.2 miles long
Notable tornadoes in Butler County
- Seven Fields, Pennsylvania tornado31 May 1985, F3, 9 deaths, 120 injuries, 39 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.