After Weeks of Cheap Gas Prices On The Rise in YakimaAfter Weeks of Cheap Gas Prices On The Rise in Yakima Average gasoline prices in Yakima have are up 1.2 cents per gallon in the last week, averaging $3.95 per gallon today, according to GasBuddy's survey of 91 stations in Yakima.Lance TormeyLance Tormey