A wildfire burning west of Troy in Northwest Montana grew to 1,000 acres Saturday afternoon.
On Saturday, the smoke from the Callahan fire, was creating very unhealthy air quality for the communities of Troy and Libby.
According to Inciweb, the fire grew an additional 600 acres late Saturday afternoon, contributed to dry conditions, spotting and an increase in southwest winds. Ground resources are being supported by aerial resources when visibility permits with bucket operations and single engine airtanker. The fire is burning in timbered, steep terrain south of Smith Mountain about 9 miles west of Troy. The fire is burning uphill.
The cause of this fire remains under investigation.