- St. Luke Presbyterian Church 3910 Highland Avenue Downers Grove, IL 60515 (630) 969-3121 Send comments to Webmaster Howard L. Milkman, Jr. - Pastor Summer Schedule The Sunday service of worship will begin at 9:30am beginning Sunday, June 16; the 10:00am worship hour resumes Sunday, September 15. Our Mission In thanksgiving for God's grace, our worship is a celebration and our music joyful.www.stlukedg.org