Metra Delays. Track construction today and tomorrow could cause delays of up to 30 minutes on Metra Electric trains.

Homewood Farmers Market. The outdoor market season will begin. The market will be open from 8 a.m. to 1 p.m. The first 250 market visitors to pick up a free summer tote bag will receive a bag full of useful info from sponsors. Quantities are limited.

Barb & Dan’s Road Ride. A 25-mile fitness bike ride. Everyone stays together. Leaves GoodSpeed Cycles, 2125 W. 183rd St., every Saturday (weather permitting) at 8 a.m. Returns before 10 a.m. Pace dictated by the riders who show up. Explore our local streets and trail system with Barb & Dan Lawler.

Off-Leash Ride. A nine-mile bike ride at about a 9-to-10 mph pace every Saturday. Route includes Butterfield Creek bike path, Rovers Run and Izaak Walton Preserve. Starts at 8:30 a.m. from GoodSpeed Cycles, 2125 W. 183rd St. in Homewood. Ends back at the shop about 9:30 a.m. for donuts. Kid trailers welcome.

STEM Saturday. Homewood Science Center, 18022 Dixie Highway, will host its free weekly science play time for the whole family from 10 a.m. to 1 p.m. Play opportunities include Pixel Pegs, Nano, Early Math Counts Activities, Makerspace, Imagination Playground, Dinosaur Bones, LEGO Wall and more.

Flossmoor Station Restaurant & Brewery Caboose Opens. Listen to music by Butterfield Creek while you dine, drink and enjoy ice cream from 4 to 10 p.m. at 1035 Sterling Ave.