Fish are moving into the Willamette River at the moment. ODFW reported the number of winter and summer steelhead passing above Willamette Falls at 7,556 and 11,261 respectively, as of May 29.
Based on their video monitoring at Bennett dam near Stayton, several hundred summer steelhead have moved into the North Santiam River. Spring chinook are showing up in large numbers as far as Stayton too. But the majority of fish are still below Stayton.
North Santiam River levels best for fishing are below 3,000 cfs at the Mehama gauge. Riverflow had been coming down but rose above 5,000 cubic feet per second on June 5th. Check for current conditions.