ST. IGNATIUS - The Redhorn Fire has grown to 343 acres. It was spotted on Monday in the Mission Mountains. Containment is zero percent.
The blaze is burning in the Tribal Mission Mountain Wilderness Area seven air miles northeast of St. Ignatius.
There are no evacuations or closures in effect, although the area is already closed to recreation due to grizzly bear habitat.
Fire managers report no structures are being threatened by the Redhorn Fire.
The lightning-caused fire is burning in heavy forest fuels and in steep rough terrain.