| 2021 Colorado wildfires | |
| Cost: | >$513 million (2021 USD)[1] |
| Total Fires: | 337 |
| Total Area: | 42202acres |
| Buildings: | 1,102 |
| Injuries: | 6 |
| Fatalities: | 4[2] |
| Is Season: | no |
| Year: | 2021 |
| Season Name: | Colorado wildfires |
The 2021 Colorado wildfire season was a series of wildfires that burned throughout the U.S. state of Colorado. According to the National Interagency Fire Center, as of July 1, 2021, at least 32860acres of land had burned in at least 337 wildland fires across the state.[3] [4] Hundreds of homes were burned, and the cities of Louisville and Superior were evacuated, during the Boulder County fires in late December.[5]
The following is a list of fires that burned more than or produced significant structural damage or casualties.
| Name | County < | -- of origin--> | Acres | Start date | Containment date | Notes | Ref |
|---|---|---|---|---|---|---|---|
| Fort Lyon | Bent | 1,433 | [6] | ||||
| Oil Springs | Rio Blanco | 12,613 | Lightning-caused | [7] | |||
| West | Moffat, Sweetwater (WY) | Lightning-caused | [8] | ||||
| Muddy Slide | Routt | 4,093 | Lightning-caused; 18 structures destroyed | [9] [10] | |||
| Sylvan | Eagle | 3,792 | Lightning-caused | [11] [12] | |||
| Morgan Creek | Routt | 7,586 | Lightning-caused | [13] | |||
| Bijou | Morgan | 3,083 | Lightning-caused | [14] | |||
| Kruger Rock | Larimer | 147 | Sparked by winds blowing a tree onto a nearby powerline; 1 firefighter fatality | [15] | |||
| Marshall Fire | Boulder | 6,026 | Unknown cause; 1,084 structures destroyed; 149 structures damaged; 1 fatality; 6 injuries | [16] |