Tornadoes in Griggs County
The Storm Prediction Center records 39 tornadoes whose paths touched Griggs County, North Dakota between 1957 and 2025. None of them is recorded as having killed anyone. The busiest month is July, with 16 tornadoes. The strongest was an F3 on 21 July 1987. The most recent was on 8 August 2025.
- 39tornadoes
- 0deaths
- 0injuries
- 550per 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 Griggs County?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 28 | 72% |
| F1 / EF1 | 5 | 13% |
| F2 / EF2 | 4 | 10% |
| F3 / EF3 | 2 | 5% |
| F4 / EF4 | 0 | 0% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 0 | 0% |
Griggs 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 | 1 |
| 1960s | 1 |
| 1970s | 3 |
| 1980s | 9 |
| 1990s | 4 |
| 2000s | 10 |
| 2010s | 8 |
| 2020s | 3 |
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 0 |
| Mar | 0 |
| Apr | 0 |
| May | 4 |
| Jun | 13 |
| Jul | 16 |
| Aug | 5 |
| Sep | 1 |
| Oct | 0 |
| Nov | 0 |
| Dec | 0 |
Records for Griggs County
- Strongest: North Dakota tornado21 July 1987, F3, 1 mile long
- Longest path: North Dakota tornado21 June 1971, F2, 12.7 miles long
- Most recent: North Dakota tornado8 August 2025, EF0, 0.6 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.