Gas prices are steady in Northern Arizona, but could go up if tensions stay high with Iran. The average price of gas in the state is $2.83 a gallon, which is unchanged from last week. In Flagstaff, prices remained the same as last week at $2.77 a gallon. Some stations are selling gas for $2.65 a gallon. In Prescott, gas was down about a half-cent to settle at $2.95 a gallon. Some stations are selling gas for $2.84 a gallon. Officials say crude oil prices are up, but they say prices at the pump shouldn’t be affected for the time being.