Columbia River Fishing Report and Forecast April 21st, 2017 Posted on April 20, 2017 by Bob Rees Columbia River Fishing Report – After a productive Sunday and Monday before last week’s closure, the Thursday opener also produced good catches on the mainstem Columbia. It’s clearly beneficial to... This post is only available to Members. If you are a Member, please be sure to log in. You can do this on the top right of almost any page on our site. If you want to become a member or find out more, take a look here.