Melstone is a rural small town in far eastern Musselshell County, Montana, United States, along U.S. Route 12.

[4] The town was established in 1908 as a base for operating crews on the Chicago, Milwaukee, St. Paul and Pacific Railroad, then under construction in Montana.

Although the railroad was abandoned in 1980, Melstone survives as a community center for farmers and ranchers in the lower Musselshell River valley.

Melstone was named for Melvin Stone, a journalist for the Chicago Tribune.

[5] The Melstone Oil Field west of town developed in the 1950s and saw renewed production in the 1990s.

According to the U.S. Census Bureau, Melstone has an area of 0.62 square miles (1.61 km2), all land.

Melstone Public Schools educates students from kindergarten through 12th grade.

The Melstone Broncs defeated the defending state champion Gardiner Bruins in an overtime win.