Tornadoes in St. Louis County
The Storm Prediction Center records 57 tornadoes whose paths touched St. Louis County, Missouri between 1950 and 2025. They killed 37 people and injured 684. The busiest month is May, with 15 tornadoes. The strongest was an F4 on 10 February 1959. The most recent was on 4 June 2025.
- 57tornadoes
- 37deaths
- 684injuries
- 1,122per 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. Louis County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 12 | 21% |
| F1 / EF1 | 23 | 40% |
| F2 / EF2 | 11 | 19% |
| F3 / EF3 | 7 | 12% |
| F4 / EF4 | 4 | 7% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
St. Louis 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 | 10 |
| 1960s | 3 |
| 1970s | 7 |
| 1980s | 1 |
| 1990s | 2 |
| 2000s | 3 |
| 2010s | 15 |
| 2020s | 16 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 3 |
| Feb | 9 |
| Mar | 7 |
| Apr | 11 |
| May | 15 |
| Jun | 4 |
| Jul | 1 |
| Aug | 2 |
| Sep | 0 |
| Oct | 1 |
| Nov | 1 |
| Dec | 3 |
Records for St. Louis County
- Deadliest and Strongest: St. Louis, Missouri tornado10 February 1959, F4, 21 deaths, 345 injuries, 23.9 miles long
- Longest path: Belleville, Illinois tornado24 February 1956, F4, 6 deaths, 36 injuries, 77.6 miles long
- Most recent: Missouri tornado4 June 2025, EF1, 6.8 miles long
Notable tornadoes in St. Louis County
- St. Louis, Missouri tornado10 February 1959, F4, 21 deaths, 345 injuries, 23.9 miles long
- Belleville, Illinois tornado24 February 1956, F4, 6 deaths, 36 injuries, 77.6 miles long
- St. Louis, Missouri tornado16 May 2025, EF2, 4 deaths, 38 injuries, 23.2 miles long
- Florissant, Missouri tornado24 January 1967, F4, 3 deaths, 216 injuries, 25 miles long
- St. Charles, Missouri tornado10 December 2021, EF3, 1 death, 2 injuries, 27.3 miles long
- Mehlville, Missouri tornado31 December 2010, EF3, 1 death, 6 injuries, 6.7 miles long
- St. Charles, Missouri tornado22 April 2011, EF4, 5 injuries, 21.3 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.