Tornadoes in Brown County
The Storm Prediction Center records 13 tornadoes whose paths touched Brown County, Illinois between 1955 and 2023. None of them is recorded as having killed anyone. The busiest month is April, with 2 tornadoes. The strongest was an F3 on 14 May 1961. The most recent was on 13 October 2023.
- 13tornadoes
- 0deaths
- 30injuries
- 425per 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 Brown County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 1 | 8% |
| F1 / EF1 | 6 | 46% |
| F2 / EF2 | 5 | 38% |
| F3 / EF3 | 1 | 8% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Brown 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 | 5 |
| 1960s | 3 |
| 1990s | 1 |
| 2000s | 2 |
| 2010s | 1 |
| 2020s | 1 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 1 |
| Mar | 1 |
| Apr | 2 |
| May | 2 |
| Jun | 2 |
| Jul | 0 |
| Aug | 1 |
| Sep | 1 |
| Oct | 2 |
| Nov | 0 |
| Dec | 1 |
Records for Brown County
- Strongest and Longest path: Illinois tornado14 May 1961, F3, 8 injuries, 127.1 miles long
- Most recent: Illinois tornado13 October 2023, EF1, 1 injury, 0.4 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.