As of July 15, gasoline prices in Montana have risen 1.6 cents in the past week, averaging $2.81 a gallon according to GasBuddy.com. Prices are 3.0 cents per gallon lower than a month ago and are 11.7 cents per gallon lower than a year ago.
The national average has risen 3.3 cents per gallon during the last week and stands 8.5 cents per gallon lower than a year ago.