Twin Sisters Fire Wildfire

Twin Sisters Fire has burned 92 acres, burning 22 miles north of Harlowton.

Latest update

Twin Sisters Fire Update: August 2, 2026
Location: 10 miles northwest of Judith Gap, MT
Start Date: 1:53 p.m. on Saturday, July 25, 2026

The Twin Sisters Fire is now 100% contained. Unless conditions change significantly, this will be the final formal update. Command staff are confident enough in the fire’s containment to downgrade the incident from a Type 3 to a Type 4. Accordingly, at 0700 this morning, Sunday, August 2, 2026, the incident will transition from a Type 3 team to a Type 4 organization.

34 Days Active

22 mi N From Harlowton to the fire perimeter

92 Acres 71 football fields

Contained +0% since previous report

69 Personnel $1.55M spent $16.8K/acre

Twin Sisters Fire Live Perimeter Growth

Twin Sisters Fire Fire Growth History

Twin Sisters Fire Containment History

Fires near Twin Sisters Fire

🔥 Sawmill Fire 2026

Started: Aug 23 249 acre

Near Lewistown · Fergus County, Montana

🔥 Windmill Fire Active 2026

Started: Aug 19 4,253 acre 100% contained

Near Absarokee · Stillwater County, Montana

🔥 Buffalo Spring Fire 2026

Started: Aug 7 15 acre

Near Billings · Yellowstone County, Montana

🔥 East Fork Creek Fire 2026

Started: Aug 3 248 acre

Near Pryor · Yellowstone County, Montana

🔥 Middle Coulee Fire 2026

Started: Aug 2 1,200 acre 0% contained

Near Malmstrom Air Force Base · Chouteau County, Montana

🔥 Ant Park 2026

Started: Aug 1 400 acre 85% contained

Near White Sulphur Springs · Meagher County, Montana

🔥 Hwy 91 Inc 964 Fire 2026

Started: Jul 31 361 acre 100% contained

Near Pryor · Big Horn County, Montana

🔥 Ortiz Fire 2026

Started: Jul 28 3 acre

Near Columbus · Stillwater County, Montana

🔥 Four Dances Fire 2026

Started: Jul 22 25 acre

Near Billings · Yellowstone County, Montana

🔥 Valentine Fire 2026

Started: Jul 17 4 acre

Near Winnett · Fergus County, Montana

🔥 Lost Cabin Fire 2026

Started: Jul 3 305 acre 60% contained

Near Bridger · Carbon County, Montana

🔥 Pronghorn Fire 2026

Started: Jun 23 6 acre

Near Bridger · Carbon County, Montana

🔥 Ah Nei Fire 2026

Started: Jun 8 5 acre

Near Shepherd · Yellowstone County, Montana

🔥 Camp Creek Fire 2026

Started: Jun 7 13 acre

Near Red Lodge, Montana · Park County, Wyoming

🔥 Cone Butte Fire 2026

Started: May 29 0 acre

Near Lewistown · Fergus County, Montana

🔥 East Side Fire 2026

Started: Apr 20 1,219 acre 100% contained

Near Red Lodge · Carbon County, Montana

🔥 Chilcott Rd Fire 2026

Started: Mar 12 22 acre

Near Park City · Carbon County, Montana

🔥 Rehder Creek Fire 2026

Started: Feb 27 4,886 acre 100% contained

Near Roundup · Musselshell County, Montana

🔥 South Fork Fire 2026

Started: Jan 11 5 acre

Near Lewistown · Fergus County, Montana

🔥 Natural Bridge Fire 2026

Started: Jan 6 34 acre

Near Livingston · Sweet Grass County, Montana

🔥 Blue Jay Fire 2025

Started: Aug 19 1 acre

Near Hays · Fergus County, Montana

🔥 Tenny Fire 2025

Started: Aug 13 15 acre

Near Shepherd · Yellowstone County, Montana

🔥 S Two Bear Rd Fire 2025

Started: Jul 21 16 acre

Near Bridger · Carbon County, Montana

🔥 Wilder Fire 2025

Started: Jul 3 3,450 acre 100% contained

Near Hays · Fergus County, Montana

🔥 Black Canyon Fire 2024

Started: Aug 11 233 acre 100% contained

Near White Sulphur Springs · Meagher County, Montana

🔥 Running Wolf Fire 2024

Started: Jun 25 93 acre 100% contained

Near Stanford · Judith Basin County, Montana

Places Near Twin Sisters Fire

Harlowton, Montana, United States Stanford, Montana, United States Lewistown, Montana, United States Ryegate, Montana, United States Big Timber, Montana, United States White Sulphur Springs, Montana, United States Belt, Montana, United States Livingston, Montana, United States Fort Benton, Montana, United States Columbus, Montana, United States Absarokee, Montana, United States Roundup, Montana, United States Big Sandy, Montana, United States Malmstrom Air Force Base, Montana, United States Park City, Montana, United States Bozeman, Montana, United States Black Eagle, Montana, United States Pray, Montana, United States Great Falls, Montana, United States Belgrade, Montana, United States Laurel, Montana, United States Joliet, Montana, United States King Arthur Park, Montana, United States Winnett, Montana, United States Townsend, Montana, United States Manhattan, Montana, United States Four Corners, Montana, United States The Silos, Montana, United States Churchill, Montana, United States Gallatin Gateway, Montana, United States Ulm, Montana, United States Red Lodge, Montana, United States Sun Prairie, Montana, United States Billings, Montana, United States Hays, Montana, United States Bridger, Montana, United States Lockwood, Montana, United States Shepherd, Montana, United States Vaughn, Montana, United States Three Forks, Montana, United States