Tornadoes in Cass County
The Storm Prediction Center records 110 tornadoes whose paths touched Cass County, North Dakota between 1950 and 2025. They killed 13 people and injured 111. The busiest month is July, with 37 tornadoes. The strongest was an F5 on 20 June 1957. The most recent was on 20 June 2025.
- 110tornadoes
- 13deaths
- 111injuries
- 623per 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 Cass County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 59 | 54% |
| F1 / EF1 | 28 | 25% |
| F2 / EF2 | 17 | 15% |
| F3 / EF3 | 3 | 3% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 2 | 2% |
| Unknown rating | 1 | <1% |
Cass 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 | 10 |
| 1960s | 10 |
| 1970s | 15 |
| 1980s | 13 |
| 1990s | 10 |
| 2000s | 24 |
| 2010s | 16 |
| 2020s | 12 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 18 |
| Jun | 35 |
| Jul | 37 |
| Aug | 17 |
| Sep | 3 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Cass County
- Deadliest and Strongest and Longest path: Fargo, North Dakota tornado20 June 1957, F5, 10 deaths, 103 injuries, 52.4 miles long
- Most recent: North Dakota tornado20 June 2025, EF0, 0.7 miles long
Notable tornadoes in Cass County
- Fargo, North Dakota tornado20 June 1957, F5, 10 deaths, 103 injuries, 52.4 miles long
- Enderlin, North Dakota tornado20 June 2025, EF5, 3 deaths, 12.1 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.