As you might expect on Memorial Day weekend, Nevada gas prices keep going up… the average price for a gallon of regular unleaded today is at 2-37 a gallon… it’s up 16 cents in the last week.. a year ago the stateide average was a dollar-20 higher than it is now… the national average today is a dollar-95 a gallon, which is eight cents a gallon higher than the price a week ago.