Florence V. McGuire, 99, of Jefferson, South Dakota, passed away on Saturday, August 2, 2025, at MercyOne Siouxland Medical Center in Sioux City, Iowa.A Mass of Christian Burial will be held at 11:00 a.m. on Thursday, August 7, 2025, at St. Peter’s Catholic Church in Jefferson, SD with Father Kevin Doyle and Fr. Ken Lulf officiating. Burial will follow at St. Peter’s Catholic Cemetery. Visitation…