Eastern Oregon Fishing Report and Forecast Posted on September 23, 2021September 23, 2021 by Glenn Zinkus Wallowa River Fishing Well. Weather Outlook Across Central and Eastern Oregon: Sun and warm weather will spread across the high desert, mountains, and into Eastern Oregon. Northeast Oregon will be in the 70s through the... 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. If you are looking for our free content head here. And, if you need a hand, please reach out here.