Willamette, McKenzie & Santiam Rivers Fishing Report for Dec 2 Posted on December 1, 2016 by Michael Teague Over past two weeks, water temperatures at the Falls has dropped from 42 to 49 degrees while the flow has roller-coasted to end at 75,000 cfs, an overall increase of... 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.