Central Oregon Fishing Report and Forecast Posted on September 2, 2021September 2, 2021 by Glenn Zinkus Crane Prairie Reservoir Water Temp Cooling. Deschutes, Metolius and Fall River All Good For Trout Weather Outlook Across Central and Eastern Oregon: The Central Oregon area will have high temperatures in the 80s going into... 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.