Hi. Cajon Pass is old, uses an old Skybox and the default scenarios look kinda odd with scenery quickly fading into darkness around you, as most 2D weather has low FogStart/End parameters. By editing the scenario and just changing the weather to one of the "3D ..." blueprints and enabling Dynamic Clouds in the Settings the default sky is overridden and it looks beautiful. Comparison of "The Splitter", default and 3D: