Tornadoes in Washington County
The Storm Prediction Center records 26 tornadoes whose paths touched Washington County, Pennsylvania between 1954 and 2025. None of them is recorded as having killed anyone. The busiest month is May, with 7 tornadoes. The strongest was an EF2 on 21 October 2021. The most recent was on 21 May 2025.
- 26tornadoes
- 0deaths
- 5injuries
- 303per 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 Washington County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 7 | 27% |
| F1 / EF1 | 15 | 58% |
| F2 / EF2 | 4 | 15% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Washington 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 |
| 1970s | 3 |
| 1980s | 3 |
| 1990s | 1 |
| 2010s | 4 |
| 2020s | 13 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 7 |
| Jun | 7 |
| Jul | 3 |
| Aug | 4 |
| Sep | 1 |
| Oct | 4 |
| Nov | 0 |
| Dec | 0 |
Records for Washington County
- Strongest and Longest path: Pennsylvania tornado21 October 2021, EF2, 15.7 miles long
- Most recent: Pennsylvania tornado21 May 2025, EF1, 13.9 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.