Tornadoes in Hamilton County
The Storm Prediction Center records 15 tornadoes whose paths touched Hamilton County, Illinois between 1957 and 2020. They killed 1 person and injured 28. The busiest month is March, with 4 tornadoes. The strongest was an F4 on 2 June 1990. The most recent was on 19 March 2020.
- 15tornadoes
- 1death
- 28injuries
- 345per 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 Hamilton County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 2 | 13% |
| F1 / EF1 | 4 | 27% |
| F2 / EF2 | 5 | 33% |
| F3 / EF3 | 3 | 20% |
| F4 / EF4 | 1 | 7% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Hamilton County tornadoes over time
The 2020s only run to 2020, so that bar is for a shorter period. The record starts in 1950.
Show the numbers
| Period | Count |
|---|---|
| 1950s | 2 |
| 1960s | 3 |
| 1980s | 2 |
| 1990s | 4 |
| 2010s | 3 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 1 |
| Feb | 1 |
| Mar | 4 |
| Apr | 2 |
| May | 1 |
| Jun | 3 |
| Jul | 0 |
| Aug | 0 |
| Sep | 0 |
| Oct | 1 |
| Nov | 0 |
| Dec | 2 |
Records for Hamilton County
- Deadliest and Strongest: Belle Prairie City, Illinois tornado2 June 1990, F4, 1 death, 12 injuries, 106 miles long
- Longest path: Missouri tornado6 March 1961, F2, 112.1 miles long
- Most recent: Illinois tornado19 March 2020, EF1, 2.9 miles long
Notable tornadoes in Hamilton County
- Belle Prairie City, Illinois tornado2 June 1990, F4, 1 death, 12 injuries, 106 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.