Eastern Oregon Fishing Report and Forecast Posted on August 26, 2021August 26, 2021 by Glenn Zinkus Wallowa Lake Is Producing. Northeast Oregon Rivers Becoming Fishable Again. Weather Outlook Across Central and Eastern Oregon: Temperatures are cooling. Temperatures in Northeast Oregon peak in the low 80s on Sunday, and other peak in... 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.