This is the view outside of Fairchild AFB, which runs the training course in question.
Wikipedia reports that Spokane has a Mediterranean climate, as does Kohgiluyeh and Boyer-Ahmad province where this F-15 is reported to have been shot down.
WA has a crazy collection of microclimates. Ho oh rainforest, alpine at the various mountains, Yakima desert, mild and wet near Seattle, dry plains in the east of Cascades, etc.