MISSOULA - Gas prices have dropped slightly over the last week in Montana.
Gasbuddy.com reports the average price for a gallon of gas dropped 0.8¢ to $3.22 as of Monday, August 25, 2025.
Prices in Montana are 2.5¢ per gallon lower than a month ago and stand 21.6¢ per gallon lower than a year ago.
The national average has risen 3.4¢ over the past week, remaining at $3.12 as of Monday.
The national average is 2.1¢ per gallon lower than a month ago, and is 18.3¢ per gallon lower than a year ago
The cheapest gas in Montana was $2.86 per gallon on Sunday, while the most expensive was $3.89.