Tornadoes in Monona County
The Storm Prediction Center records 30 tornadoes whose paths touched Monona County, Iowa between 1953 and 2024. They killed 4 people and injured 66. The busiest month is June, with 10 tornadoes. The strongest was an F4 on 28 July 1986. The most recent was on 26 April 2024.
- 30tornadoes
- 4deaths
- 66injuries
- 432per 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 Monona County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 14 | 47% |
| F1 / EF1 | 8 | 27% |
| F2 / EF2 | 5 | 17% |
| F3 / EF3 | 2 | 7% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Monona County tornadoes over time
The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 1 |
| 1960s | 6 |
| 1970s | 1 |
| 1980s | 2 |
| 1990s | 7 |
| 2000s | 6 |
| 2010s | 4 |
| 2020s | 3 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 1 |
| Apr | 5 |
| May | 5 |
| Jun | 10 |
| Jul | 3 |
| Aug | 3 |
| Sep | 2 |
| Oct | 1 |
| Nov | 0 |
| Dec | 0 |
Records for Monona County
- Deadliest: Little Sioux, Iowa tornado11 June 2008, EF3, 4 deaths, 48 injuries, 13 miles long
- Strongest and Longest path: Maskell, Nebraska tornado28 July 1986, F4, 2 injuries, 52.5 miles long
- Most recent: Iowa tornado26 April 2024, EF1, 3.3 miles long
Notable tornadoes in Monona County
- Little Sioux, Iowa tornado11 June 2008, EF3, 4 deaths, 48 injuries, 13 miles long
- Maskell, Nebraska tornado28 July 1986, F4, 2 injuries, 52.5 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.