Tornadoes in Waukesha County
The Storm Prediction Center records 39 tornadoes whose paths touched Waukesha County, Wisconsin between 1954 and 2023. They killed 1 person and injured 43. The busiest month is July, with 12 tornadoes. The strongest was an F4 on 27 April 1984. The most recent was on 28 July 2023.
- 39tornadoes
- 1death
- 43injuries
- 709per 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 Waukesha County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 8 | 21% |
| F1 / EF1 | 21 | 54% |
| F2 / EF2 | 7 | 18% |
| F3 / EF3 | 2 | 5% |
| F4 / EF4 | 1 | 3% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Waukesha 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 | 4 |
| 1960s | 5 |
| 1970s | 5 |
| 1980s | 9 |
| 1990s | 1 |
| 2000s | 2 |
| 2010s | 6 |
| 2020s | 7 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 1 |
| Apr | 3 |
| May | 4 |
| Jun | 11 |
| Jul | 12 |
| Aug | 5 |
| Sep | 0 |
| Oct | 3 |
| Nov | 0 |
| Dec | 0 |
Records for Waukesha County
- Deadliest and Strongest: Waukesha, Wisconsin tornado27 April 1984, F4, 1 death, 14 injuries, 6.5 miles long
- Longest path: Wisconsin tornado5 June 1977, F3, 8 injuries, 69.5 miles long
- Most recent: Wisconsin tornado28 July 2023, EF1, 1.3 miles long
Notable tornadoes in Waukesha County
- Waukesha, Wisconsin tornado27 April 1984, F4, 1 death, 14 injuries, 6.5 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.