Fire managers report that the Cinnabar Fire burning near Stevensville has grown slightly to 2,144 acres and remains 0% contained.
There are currently 268 people assigned to battle the lightning-sparked blaze which was first spotted on Aug. 19.
Fire managers report most of the growth occurred in Ferret Creek as the fire burned to the northeast towards Welcome Sawmill Saddle and the 2007 Sawmill Fire scar.
On the western edge, the fire has neared Bitterroot/Rock Creek Divide Trail #313 in some areas.
Helicopters worked hot spots with bucket drops throughout the fire.
Additionally, the Unmanned Aircraft System (UAS) collected additional data for fire staff to use in managing the fire.
The fire continues to burn within the Welcome Creek Wilderness boundary, on the Lolo National Forest in Granite County.
The closure includes the entire Welcome Creek Wilderness, and additional roads and trails adjacent to the Wilderness for public and firefighter safety.
The Ambrose Rock Creek Road #428 is now closed.
