SIOUX FALLS, SD—Dawn Lynette Post, 56, Sioux Falls, SD, formerly Rock Valley, died Wednesday, May 11, 2022, at Sanford USD Medical Center in Sioux Falls. Visitation with family present will be 3-5 p.m. Sunday, May 15, at Porter Funeral Home in Rock Valley. Private family committal service will be Monday, May 16, at Valley View Cemetery in Rock Valley. A memorial service will be 5:30 p.m. Monday at Central Church in Sioux Falls.