The North Delphia Fire located 15 miles northeast of Roundup in Musselshell County is nearly contained, according to officials.
Musselshell County DES reported crews are using Sunday to "finish it off."
An air-tanker dropped thousands of gallons of retardant on the blaze throughout the past several days.
Weather did not play a significant factor in the fire's progression on Saturday.
A storm did move through the area on Sunday afternoon, kickstarting several small fires and crews responded.
The evacuation order was lifted and residents can return to their homes.