Mary Lou Sletten, 83, of Norwalk, died Monday, October 21, 2013 at her home. A Funeral service will be held on Sunday, October 27, 2013, 2:00 P.M. at St. John Ev. Lutheran Church, Ridgville,.  Pastor Matthew Minzlaff will officiate.  Burial will be in St. John Ev. Lutheran Cemetery, Ridgeville. Relatives and friends are invited to call on Saturday from 4:00 P.M. until 8:00 P.M. at the Sonnenburg Family Funeral Home, Tomah and at the church on Sunday from 1:00 P.M. until the time of the service. The Sonnenburg Funeral Home is assisting the family with arrangements. Online condolences may be sent to www.sonnenburgfamilyfh.com.