Willamette River Fishing Report August 31st, 2018 Posted on August 30, 2018 by Bob Rees Willamette River Fishing Report – Although it’s still early for a coho fishery to develop here, at least the river has dropped about 10 degrees and can now harbor cold water fishes. There won’t be... This post is only available to Members. If you are a Member, please be sure to log in and remember to select the Remember Me option. If you want to become a member or find out more, take a look here.