Tornadoes in Hancock County
The Storm Prediction Center records 31 tornadoes whose paths touched Hancock County, Iowa between 1951 and 2025. They killed 6 people and injured 183. The busiest month is June, with 12 tornadoes. The strongest was an F5 on 14 October 1966. The most recent was on 28 July 2025.
- 31tornadoes
- 6deaths
- 183injuries
- 543per 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 Hancock County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 10 | 32% |
| F1 / EF1 | 8 | 26% |
| F2 / EF2 | 9 | 29% |
| F3 / EF3 | 1 | 3% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 1 | 3% |
| Unknown rating | 1 | 3% |
Hancock 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 | 4 |
| 1970s | 2 |
| 1980s | 6 |
| 1990s | 9 |
| 2000s | 3 |
| 2010s | 1 |
| 2020s | 3 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 4 |
| May | 5 |
| Jun | 12 |
| Jul | 4 |
| Aug | 1 |
| Sep | 3 |
| Oct | 1 |
| Nov | 0 |
| Dec | 1 |
Records for Hancock County
- Deadliest and Strongest: Belmond, Iowa tornado14 October 1966, F5, 6 deaths, 172 injuries, 9.7 miles long
- Longest path: Iowa tornado21 April 1967, F2, 32.8 miles long
- Most recent: Iowa tornado28 July 2025, Unknown rating, 1.2 miles long
Notable tornadoes in Hancock County
- Belmond, Iowa tornado14 October 1966, F5, 6 deaths, 172 injuries, 9.7 miles long
- Garner, Iowa tornado10 May 1953, F4, 3 injuries, 26.6 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.