Wild salmon returning to B.C. in 2025 had to survive record-setting wildfires, floods, and marine heatwaves. These extreme conditions have shaped the journey of the salmon coming home this year—and were used by DFO to help inform their 2025 Salmon Outlook. In this first post, we break down the freshwater and marine environmental factors that will impact different species and stocks. Stay tuned for part two, where we dive into DFO’s actual outlook for 2025 salmon returns.