Tornadoes in Dubuque County
The Storm Prediction Center records 37 tornadoes whose paths touched Dubuque County, Iowa between 1954 and 2025. None of them is recorded as having killed anyone. The busiest month is June, with 8 tornadoes. The strongest was an F4 on 13 March 1990. The most recent was on 11 July 2025.
- 37tornadoes
- 0deaths
- 4injuries
- 608per 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 Dubuque County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 10 | 27% |
| F1 / EF1 | 14 | 38% |
| F2 / EF2 | 9 | 24% |
| F3 / EF3 | 2 | 5% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 1 | 3% |
Dubuque 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 | 3 |
| 1960s | 7 |
| 1970s | 4 |
| 1980s | 3 |
| 1990s | 8 |
| 2000s | 2 |
| 2010s | 4 |
| 2020s | 6 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 6 |
| Apr | 2 |
| May | 6 |
| Jun | 8 |
| Jul | 7 |
| Aug | 4 |
| Sep | 3 |
| Oct | 0 |
| Nov | 0 |
| Dec | 1 |
Records for Dubuque County
- Strongest: Prairieburg, Iowa tornado13 March 1990, F4, 19 miles long
- Longest path: Iowa tornado28 September 1972, F2, 3 injuries, 64.5 miles long
- Most recent: Iowa tornado11 July 2025, EF1, 0.9 miles long
Notable tornadoes in Dubuque County
- Prairieburg, Iowa tornado13 March 1990, F4, 19 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.