Weisgerber was born in Vibank, Saskatchewan, to Jack and Catherine Weisgerber. Following his schooling at Vibank, he attended St. Peter's College at Muenster and then Saint Paul University in Ottawa, where he obtained licence degrees in Philosophy and Theology.

He was ordained a priest at Holy Rosary Cathedral in Regina on June 1, 1963, and named a prelate of honour on October 16, 1991.

Weisgerber was Dean of Arts at Notre Dame College in Wilcox, where he taught philosophy, religious studies, and French. He worked several years in the archbishop of Regina's office serving as the director of the pastoral and social justice offices. He served as rector of Holy Rosary Cathedral and pastor of Holy Trinity Parish, both in Regina, as well as Our Lady of Sorrows Parish at the Wayback Machine (archived October 27, 2009) in Fort Qu'Appelle, which included pastoral ministry with neighboring aboriginal communities.

In 1990 he was elected general secretary of the Canadian Conference of Catholic Bishops.

On March 7, 1996, Weisgerber was appointed the fifth bishop of Saskatoon by Pope John Paul II. He received his episcopal consecration on the following May 3 from Archbishop Peter Mallon, with Archbishop Joseph MacNeil and Bishop Joseph MacDonald serving as |co-consecrators.

Weisgerber was later named the sixth archbishop of Winnipeg on June 7, 2000. He succeeded Leonard James Wall, and was installed at St. Mary’s Cathedral on August 24, 2000. In 2005, he received the Saskatchewan Order of Merit. In 2013, he was made an Officer of the Order of Canada "for his work as a champion of reconciliation and social justice, promoting deeper understanding between Aboriginal and non-Aboriginal people".^[1]

• Catholic-Hierarchy.org
• Archdiocese of Winnipeg