Charles is survived by his wife Donna Nystrom; son, Charles Nystrom II; sisters, Marilyn Thomas, Deborah Ryan and Patrica Jarratt; brothers, Donald Nystrom and Steven Nystrom.
Charles worked at the Army Lab at Southwest Research Institute, was a member of SwRI Meals on Wheels delivery team and President of W5RRA Amateur Radio Club.
A visitation for Charles will be held Thursday, March 27, 2025 from 6:00 PM to 9:00 PM at Sunset Northwest Funeral Home, 6321 Bandera Road, San Antonio, TX 78238 with a rosary will at 7:00 PM. A funeral mass will be celebrated Friday, March 28, 2025 at 10:00 AM at Prince of Peace Catholic Church, 7893 Grissom Road, San Antonio, TX 78251 with interment to follow at Resurrection Cemetery at Cordi-Marian, 11624 Culebra Road, San Antonio, TX 78253.