Fridays Rock! & Roll in Meadows

• 7 p.m. Friday, Sept. 8, Kimball Hill Park, Kirchoff Road, Rolling Meadows. Features popular live music and food trucks. Grab your lawn chair and picnic basket for this Ravinia-style event.

Des Plaines River Trail Bike Ride

• 10 a.m.-noon Saturday, Sept. 9, Historic Methodist Campground, 1900 E. Algonquin Road, Des Plaines. The sixth annual event features an eight-mile circle route along the historic Des Plaines River Trail, followed by entertainment, refreshments and raffles. 9 a.m. registration on-site. For information, visit dpparks.org.

An Art Affair Around the Square

• 10 a.m.-5 p.m. Saturday, Sept. 9, and Sunday, Sept. 10, Towne Square, downtown Palatine. The 13th annual juried art show is a celebration of all forms of art. The show includes a raffle, activities and live entertainment by local musicians. Visit www.palatinejaycees.org.

Family Field Day

• 10 a.m.-noon Saturday, Sept. 9, Falcon Park Recreation Center, 2195 N. Hicks Road, Palatine. Free event hosted by the Palatine Jaycees includes rugby, yoga, martial arts, lacrosse, hockey, dance and more. Recommended for ages 6-12. For information, visit www.palatinejaycees.org/family-field-Day.

St. John Fall Fest

• 5-7 p.m. Saturday, Sept. 9, St. John United Church of Christ, 308 N. Evergreen, Arlington Heights. St. John hosts a community all-age fall festival. There will be a food truck, live music, bingo, ice cream truck, face painting, balloon animals, crafts, a bouncy house, the Arlington Heights Memorial Library Bookmobile, live music, sweets, the Buddy Foundation, police and fire vehicles, games, a visit from an Arlington Heights historical figure and more. The community is invited. Bring your friends. Free.

31st Annual Chicagoland British Car Festival

• 9 a.m. to 3 p.m. Sunday, Sept. 10, Harper College, 1200 W. Algonquin Road, Palatine. Features more than 500 classic cars, authentic British food, Irish dancers, music, technical learning sessions, car merchandise giveaways, parts vendors and new British cars. Valve cover racing returns. Free for spectators. britishcarunion.com.

Art in Nature

• 10 a.m. to 4 p.m. Sunday, Sept. 10, Crabtree Nature Center, 3 Stover Road, Barrington. Watch artists as they paint along scenic trails, listen to live music, view artwork for sale and vote for your favorite artist. Try your hand at drawing or painting, materials and instruction provided. Children can sculpt with clay, paint or draw. Free admission. fpdcc.com/event/art-in-nature.