Simonson Station Stores is a car wash and atm in Williston, North Dakota, at 1409 2nd Ave W, Williston. Opening hours: Mon–Sat 5:30 AM–11 PM · Sun 6 AM–11 PM. Listed services: Gas station, Convenience store, Deli, Electric vehicle charging station, Lottery retailer, Tobacco shop, Wheelchair accessible entrance and Diesel gas and Restroom and SNAP/EBT. Call (701) 572-1880 to check prices or availability before you go.