TOWN OF PORTERFIELD, WI — The Crivitz and Marinette County communities are in deep mourning following the tragic death of 42-year-old Brian Thoreson, who lost his life in a motorcycle collision on Tuesday, October 13, 2026.
According to official incident reports released by the Marinette County Sheriff’s Office, emergency dispatchers received urgent 911 calls regarding a serious two-vehicle crash on State Highway 180 near Sequin Road in the Town of Porterfield.
According to the Marinette County Sheriff’s Office, Brian was traveling northbound on State Highway 180 on a Harley-Davidson motorcycle when he struck the rear of a vehicle driven by 66-year-old Dorothy Kowalski of Marinette. Authorities reported that Kowalski was slowing down to stop for another vehicle that was preparing to turn left onto Sequin Road. Brian sustained fatal injuries in the collision. Investigators also reported that he was not wearing a helmet at the time of the crash.
Too Soon to Say Goodbye, Too Precious to Forget
At just 42 years old, Brian’s life ended far too soon. His passing is a painful reminder of how quickly circumstances can change and how a single moment can leave families and friends facing a loss they never expected.
Behind every tragic headline is a human life that mattered. Brian was more than the details of an accident; his life held meaning beyond the circumstances of his death. While the full story of who he was cannot be captured in a news report, his passing deserves to be acknowledged with dignity, compassion, and respect.
For those grieving Brian, the days ahead may bring difficult moments as they come to terms with his absence. Memories shared, familiar conversations, and the time spent together may become treasured reminders of a life that can no longer be shared in the same way. Though words cannot take away the pain, the support of loved ones can offer comfort during an incredibly difficult time.
The Marinette County Sheriff’s Office continues to investigate the circumstances surrounding the collision. As the investigation proceeds, our heartfelt condolences go out to Brian’s family, friends, and everyone mourning his loss.
May those who loved Brian find strength in one another and comfort in the memories they will carry forward.
Rest in peace, Brian Thoreson. Gone too soon, but remembered with compassion.
