Tornadoes in Clayton County
The Storm Prediction Center records 21 tornadoes whose paths touched Clayton County, Iowa between 1953 and 2023. They killed 2 people and injured 30. The busiest month is May, with 7 tornadoes. The strongest was an F4 on 30 April 1954. The most recent was on 31 March 2023.
- 21tornadoes
- 2deaths
- 30injuries
- 270per 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 Clayton County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 8 | 38% |
| F1 / EF1 | 6 | 29% |
| F2 / EF2 | 4 | 19% |
| F3 / EF3 | 2 | 10% |
| F4 / EF4 | 1 | 5% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Clayton County tornadoes over time
The 2020s only run to 2023, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 2 |
| 1960s | 3 |
| 1980s | 5 |
| 1990s | 5 |
| 2000s | 2 |
| 2010s | 3 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 2 |
| Apr | 1 |
| May | 7 |
| Jun | 7 |
| Jul | 1 |
| Aug | 1 |
| Sep | 1 |
| Oct | 0 |
| Nov | 1 |
| Dec | 0 |
Records for Clayton County
- Deadliest: Volga, Iowa tornado30 May 1985, F3, 2 deaths, 27 injuries, 34 miles long
- Strongest and Longest path: Palo, Iowa tornado30 April 1954, F4, 80.4 miles long
- Most recent: Iowa tornado31 March 2023, EF1, 11.1 miles long
Notable tornadoes in Clayton County
- Volga, Iowa tornado30 May 1985, F3, 2 deaths, 27 injuries, 34 miles long
- Palo, Iowa tornado30 April 1954, F4, 80.4 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.