Wyoming Large Wildfire History
Since 1981, 284 wildfires of 1,000 acres or more have been mapped in Wyoming, 8 of them above 100,000 acres. The largest burned 489,214 ac; together they cover about 4,624,363 ac.
Fires by decade
'80
'90
'00
'10
'20
Largest in Wyoming
All mapped large fires
Clearwater1,966 ac
2024 · perimeter dated July 20, 2024
Dry Fork3,382 ac
2021 · perimeter dated August 12, 2021
Pedro Mountain23,412 ac
2019 · perimeter dated September 10, 2019
Fishhawk11,180 ac
2019 · perimeter dated June 13, 2022
Boulder Lake1,361 ac
2019 · perimeter dated January 13, 2020
Roosevelt61,522 ac
2018 · perimeter dated October 3, 2018
Roosevelt61,522 ac
2018 · perimeter dated November 26, 2018
Terek42,264 ac
2018 · perimeter dated August 10, 2018
Britania Mountain32,102 ac
2018 · perimeter dated October 17, 2018
Britania Mountain32,089 ac
2018 · perimeter dated September 4, 2018
Ryan28,585 ac
2018 · perimeter dated November 26, 2018
Ryan28,244 ac
2018 · perimeter dated March 24, 2021
Badger Creek21,310 ac
2018 · perimeter dated July 12, 2018
Silver Creek20,055 ac
2018 · perimeter dated March 24, 2021
Laney Rim13,198 ac
2018 · perimeter dated August 3, 2018
Denver Jake7,157 ac
2018 · perimeter dated August 21, 2018
Marten Creek6,491 ac
2018 · perimeter dated November 14, 2018
Bacon Rind5,237 ac
2018 · perimeter dated January 21, 2021
Zimmerman3,860 ac
2018 · perimeter dated August 10, 2018
West Tillard3,781 ac
2018 · perimeter dated September 19, 2018
Black Butte3,558 ac
2018 · perimeter dated August 4, 2018
Potter Butte2,447 ac
2018 · perimeter dated August 10, 2018
Black Mountain2,104 ac
2018 · perimeter dated September 20, 2018
Weintz1,995 ac
2018 · perimeter dated August 10, 2018
Powerline1,794 ac
2018 · perimeter dated August 21, 2018
Deer Creek90,957 ac
2017 · perimeter dated November 29, 2017
Cottonwood One4,154 ac
2017 · perimeter dated November 29, 2017
Pole Creek3,505 ac
2017 · perimeter dated February 14, 2025
Banjo3,366 ac
2017 · perimeter dated November 29, 2017
Bucknum2,774 ac
2017 · perimeter dated November 29, 2017
Keystone2,527 ac
2017 · perimeter dated July 3, 2017
June1,631 ac
2017 · perimeter dated June 13, 2022
Speedgoat1,602 ac
2017 · perimeter dated November 29, 2017
Cowboy1,591 ac
2017 · perimeter dated November 29, 2017
Sand Hills1,149 ac
2017 · perimeter dated November 29, 2017
Hidden Dome1,133 ac
2017 · perimeter dated November 29, 2017
Stallions1,105 ac
2017 · perimeter dated November 29, 2017
Stallions1,105 ac
2017 · perimeter dated July 24, 2017
Maple51,597 ac
2016 · perimeter dated January 21, 2021
Cliff Creek33,776 ac
2016 · perimeter dated February 14, 2025
Source: National Interagency Fire Center, Interagency Fire Perimeter History. Only fires with a mapped perimeter of 1,000 acres or more appear; the state is inferred from the responsible unit code. A record of past fires is not a forecast. See About the Data.