Tornadoes in St. Mary's County
The Storm Prediction Center records 36 tornadoes whose paths touched St. Mary's County, Maryland between 1967 and 2025. They killed 3 people and injured 126. The busiest month is July, with 7 tornadoes. The strongest was an F4 on 28 April 2002. The most recent was on 1 July 2025.
- 36tornadoes
- 3deaths
- 126injuries
- 1,004per 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 St. Mary's County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 22 | 61% |
| F1 / EF1 | 11 | 31% |
| F2 / EF2 | 2 | 6% |
| F3 / EF3 | 0 | 0% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
St. Mary's 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 |
|---|---|
| 1960s | 1 |
| 1970s | 1 |
| 1980s | 3 |
| 1990s | 8 |
| 2000s | 7 |
| 2010s | 11 |
| 2020s | 5 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 1 |
| Feb | 2 |
| Mar | 0 |
| Apr | 2 |
| May | 6 |
| Jun | 6 |
| Jul | 7 |
| Aug | 5 |
| Sep | 2 |
| Oct | 3 |
| Nov | 2 |
| Dec | 0 |
Records for St. Mary's County
- Deadliest and Strongest and Longest path: Waldorf, Maryland tornado28 April 2002, F4, 3 deaths, 122 injuries, 38 miles long
- Most recent: Maryland tornado1 July 2025, EF1, 1 miles long
Notable tornadoes in St. Mary's County
- Waldorf, Maryland tornado28 April 2002, F4, 3 deaths, 122 injuries, 38 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.