Folk singer Ella Jenkins performs a sing-along concert for the whole family at 10 a.m. followed by a performance by the local modern dance troupe, Nexus Soul. Festival , which showcases the art of 45 Evanston school children from preschool through high school, will take place from 10 a.m. to 4 p.m. in the Chicago and Dempster Streets business area. River Trail Nature Center offers Small Serendipity at 1 p.m. A nature story and craft or other activity are offered. Ages 3 to 5 with an adult. Milwaukee Ave., Northbrook.
Admission is charged.
Round Lake Area Library celebrates Arthur's Birthday Party at 2 p.m., with stories, songs, crafts and more for ages 4-6 with an adult. The Chicagoland Rythmic Gymnastics meet will be held at Elite Sports Complex in Downers Grove. Gymnasts from levels four through ten will perform routines to music, using apparatus such as hoops, balls and ribbons. 102 E. Wesley St., Wheaton. St. Charles presents Steve Byers who will lead a tour of the wetlands through Compton Hills Park.