Splashdown - Family water park ends its season today, Saturday and Monday, 11 a.m.-6 p.m., and Sunday, noon-6 p.m. Family Night, Tuesdays, 4-8 p.m. 11127 E. Mission Ave, Spokane Valley. $13.99/48 inches and under; $16.99/over 48 inches; $16.99/viewing pass with $7 refund if band is dry; family night $9 (free for 3 and younger with paid admission and seniors 65 and older with photo ID). (509) 924-3079
Sustainable September Spokane Kickoff Luncheon - First in a monthlong series of events promoting environmental and economic well-being, with a welcome address by Mayor Mary Verner, talks by local business people and a menu highlighting locally grown and organic foods. Today, 11:30 a.m.-1:30 p.m., Spokane Convention Center, 334 W. Spokane Falls Blvd. $35. www.brownpapertickets.com/ event/192580, (509) 209-2625
Justin Sherfey - Award-winning 13-year-old fiddler, with guitar and mandolin accompaniment. Today, 7-9 p.m., River Park Square, main floor, 808 W. Main Ave. Free.
Peach Festival - Saturday and Sunday on Green Bluff north of Spokane. Visit www.greenbluffgrowers.com for map of growers.
Spokane Coin Show - Buy, sell and trade coins, currency, etc. Sunday, 10 a.m.-6 p.m., Spokane Eagles Lodge, 6410 N. Lidgerwood St. Free admission and parking. (509) 489-3030
Meet Revolver - Beatles tribute band. Sunday, 4:30 p.m., Arbor Crest Wine Cellars, 4705 N. Fruithill Road, Spokane Valley. $5 (21 and older only). (509) 927-9463
Affair on Mainstreet - 24th annual event celebrating the town’s centennial, with live music and theater, arts and crafts, children’s activities, flea market, train rides, pancake breakfast, Saturday night potluck and more. Opening ceremonies Saturday, 10:30 a.m.; artwalk at the Cutter Theatre on Saturday, 10 a.m.-4 p.m.; classic car show Saturday, motorcycle/tractor/ORV show Sunday. Saturday-Sunday, City Park, Metaline Falls. (509) 446-2429
Pend Oreille County Centennial Quilt Shows - Vintage and contemporary quilts. Saturday and Sunday, 10 a.m.-4 p.m. at Metaline Falls Community Center; Sunday, 4-8 p.m. and Monday, 10 a.m.-4 p.m. Create Arts Center, 900 W. Fourth, Newport, Wash. Free admission. (509) 671-1540
Praise-A-Palooza and Family Fun Fest - Local Christian bands, bouncy castle, food, paint-a-pony, equine activity with Hooves of Mercy. All donations benefit the Mercy House project to benefit families and individuals in the Cusick/Usk area. Saturday, 11 a.m.-7 p.m., Pend Oreille County Fairgrounds, Cusick. Free. (509) 863-3778
WSU Star Party - Saturday, grilled brats and hot dogs and live music by The Unusual Suspects 7-9 p.m., telescope viewing begins 9 p.m. Jewett Observatory, Grimes Way and Olympia Avenue, Pullman. $5. (509) 335-3581
Pirates of the Coeur d’Alene Family Cruises - 90-minute themed cruises with singalongs, dancing and pirate mementos, today through Monday, 1 and 3:30 p.m. from the Coeur d’Alene Resort. $30.75/adults, $20.75 children 6-12, free/children 5 and under. (208) 765-4000, ext. 21
Funky Junk Antique Show & Crafts Market - Affordable vintage, modern repurposed and hand-created finds for every style from 30-plus vendors, with food, live music and more. Saturday-Sunday, 10 a.m.-4 p.m., 621 Oak St., Sandpoint. $2 admission (good both days, free for age 12 and younger).
“Sweet 16” 16th Annual Quilt Show - Presented by Valley Piecemakers Quilt and Craft Club. Sunday, 10 a.m.-6 p.m. and Monday, 10 a.m.-4 p.m., Heyburn Elementary School, 1405 Main Ave., St. Maries. $1. (208) 245-3177