Tornadoes in Colorado
The Storm Prediction Center records 2,490 tornadoes that touched Colorado between 1950 and 2025, and 2,476 of them began there. A tornado that crossed a state line counts in every state it touched. They killed 5 people and injured 290. The busiest month is June, with 895 tornadoes.
- 2,490tornadoes
- 5deaths
- 290injuries
- 240per 10,000 sq mi of land
- 55counties touched
Tornadoes per 10,000 square miles lets you compare states of different sizes. It counts every tornado that touched the state.
How strong were Colorado's tornadoes?
| Rating | Tornadoes | Share |
|---|---|---|
| F0 / EF0 | 1,553 | 62% |
| F1 / EF1 | 604 | 24% |
| F2 / EF2 | 135 | 5% |
| F3 / EF3 | 25 | 1% |
| F4 / EF4 | 1 | <1% |
| F5 / EF5 | 0 | 0% |
| Unknown rating | 172 | 7% |
Colorado 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 | 111 |
| 1960s | 137 |
| 1970s | 204 |
| 1980s | 337 |
| 1990s | 605 |
| 2000s | 438 |
| 2010s | 407 |
| 2020s | 251 |
The record has changed over the decades as detection and reporting improved, so more weak tornadoes show up in recent years than in the 1950s. The year with the most in Colorado was 1996, with 98.
Show the numbers
| Period | Count |
|---|---|
| Jan | 0 |
| Feb | 2 |
| Mar | 24 |
| Apr | 122 |
| May | 592 |
| Jun | 895 |
| Jul | 503 |
| Aug | 253 |
| Sep | 58 |
| Oct | 41 |
| Nov | 0 |
| Dec | 0 |
Deadliest tornadoes that touched Colorado
- Holly, Colorado tornado28 March 2007, EF3, 2 deaths, 9 injuries, 28 miles long
- Sedgwick, Colorado tornado27 June 1960, F3, 2 deaths, 3 injuries, 6.5 miles long
- Fort Collins, Colorado tornado22 May 2008, EF3, 1 death, 78 injuries, 38.7 miles long
Strongest tornadoes that touched Colorado
- Boise City, Oklahoma tornado18 May 1977, F4, 38.6 miles long
- Holly, Colorado tornado28 March 2007, EF3, 2 deaths, 9 injuries, 28 miles long
- Sedgwick, Colorado tornado27 June 1960, F3, 2 deaths, 3 injuries, 6.5 miles long
- Fort Collins, Colorado tornado22 May 2008, EF3, 1 death, 78 injuries, 38.7 miles long
- Colorado tornado8 August 2023, EF3, 15.7 miles long
- Colorado tornado23 June 2023, EF3, 13.1 miles long
Most recent tornadoes in Colorado
- Colorado tornado16 September 2025, Unknown rating, 0 miles long
- Colorado tornado13 September 2025, EF1, 0.8 miles long
- Colorado tornado9 September 2025, Unknown rating, 0 miles long
- Colorado tornado10 August 2025, Unknown rating, 0.4 miles long
- Colorado tornado9 August 2025, Unknown rating, 4.6 miles long
Notable Colorado tornadoes with their own pages
- Holly, Colorado tornado28 March 2007, EF3, 2 deaths, 9 injuries, 28 miles long
- Sedgwick, Colorado tornado27 June 1960, F3, 2 deaths, 3 injuries, 6.5 miles long
- Fort Collins, Colorado tornado22 May 2008, EF3, 1 death, 78 injuries, 38.7 miles long
- Boise City, Oklahoma tornado18 May 1977, F4, 38.6 miles long
Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.
Colorado counties
Every county that a tornado has touched is listed, most tornadoes first. 47 of them have at least 3 tornadoes and their own page.