A new record at the pump. On Tuesday, Triple A lists the average price for diesel in Wisconsin at $5.71 a gallon. That surpasses the previous record of $5.52 a gallon set in June of 2022. For regular unleaded, Wisconsin’s statewide average on Tuesday is $4.40 a gallon. The highest price is up in northeastern Wisconsin in Florence County at $4.52 a gallon. The cheapest is $4.03 a gallon in Rusk County, in northwestern Wisconsin.














