The Magpie Rock Fire eight miles west of Dixon has grown to 2,500 acres with 0% containment as of Thursday, July 30, according to Confederated Salish and Kootenai Division of Fire.
Heavy Air Tankers and other aviation resources dropped retardant on the blaze and firefighters and equipment will continue establishing containment lines. A burnout operation was successful on the northeast flank. There are 287 personnel assigned and the fire is classified as a Type 3.
Officials are observing very extreme fire behavior, which continues to move east and southeast towards Revais Creek.
The lightning-caused fire was reported on Monday, July 27 and is burning in steep, rocky terrain with dense brush and timber.
Revais 6000 Road between Revais and Magpie and Magpie 5000 Road are both closed.
There are no planned evacuations and no threatened structures.
Separately, the Type 4 Horseshoe Fire 10 miles southwest of Polson along the banks of the Flathead River has grown to 140 acres with 20% containment.
With 49 personnel assigned, including three Type 6 engines and one 20-man Type II Initial Attack Crew, firefighters will continue to mop up hotspots and use aviation resources.
An unattended campfire ignited the fire, which was reported on Tuesday, July 28.
There are no planned evacuations and no structures threatened.
A lightning-caused four-acre grass fire in Ferry Basin was sparked on Wednesday, July 29, but firefighters suppressed it and is no longer active.
The fire danger rating moved to high in Flathead County on July 27, as well as in the Flathead National Forest, Glacier National Park, DNRC Swan Unit, Stillwater Unit, Kalispell Unit and other state lands, according to fire managers.
High fire danger means fine dead fuels like cured grass, needles and small twigs can catch fire readily and fires can start easily. Unattended campfires will likely escape.
Officials remind the public to stay out of wildfire areas and adhere to all road closures.