The 21st Annual Arnold Classic Thunder at the Lake Car Show takes place Saturday, September 19 from 10 a.m. to 4 p.m. at White Pines Lake Park in Arnold. The show features classics, hot rods, customs, motorcycles, and 4x4s. Live music will be provided by The Fabulous Drifters. The event includes BBQ, beverages, awards, dash plaques, a 50/50 raffle, and more. For show information, call (209) 990-9377.