Idaho gas prices are unchanged in the past week, averaging $3.75/g today, according to GasBuddy’s daily survey of 802 stations in Idaho. Gas prices in Idaho are unchanged versus a month ago and stand $1.30/g higher than a year ago.

According to GasBuddy price reports, the cheapest station in Idaho is priced at $3.32/g today while the most expensive is $4.69/g, a difference of $1.37/g. The lowest price in the state today is $3.32/g while the highest is $4.69/g, a difference of $1.37/g.

The national average price of gasoline has fallen 0.4 cents per gallon in the last week, averaging $3.17/g today. The national average is down 1.6 cents per gallon from a month ago and stands 96.4 cents per gallon higher than a year ago.

Historical gasoline prices in Idaho and the national average going back five years:

Sept. 7, 2020: $2.44/g (U.S. Average: $2.21/g) Sept. 7, 2019: $2.74/g (U.S. Average: $2.56/g) Sept. 7, 2018: $3.20/g (U.S. Average: $2.85/g) Sept. 7, 2017: $2.72/g (U.S. Average: $2.67/g) Sept. 7, 2016: $2.46/g (U.S. Average: $2.18/g) Neighboring areas and their current gas prices: Montana- $3.30/g, unchanged from last week’s $3.30/g; Boise- $3.88/g, unchanged from last week’s $3.88/g and Spokane- $3.65/g, down 2.3 cents per gallon from last week’s $3.68/g.

“As expected, Hurricane Ida’s disruption to the oil and refining industry led gas prices to rise over the last week, though thankfully, the rise wasn’t very significant,” said Patrick De Haan, head of petroleum analysis for GasBuddy. “With several Louisiana refineries poised to have power restored in the days ahead, the impact on gas prices could soon reverse, and with gasoline demand now likely to decline with the close of the summer driving season,

“I see the odds rising that gas prices will soon begin a seasonal downturn, accelerated by the expiration of summer gasoline requirements on Sept. 15. By Halloween, we could see the national average back under $3 per gallon.”

GasBuddy is the authoritative voice for gas prices and the only source for station-level data spanning nearly two decades. GasBuddy data is accessible at

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