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You really need mist or visible evidence of the wind, e. I have done decades of bushwalking and love the rain, but apart from special times its often just dull in output. Shooting in rain is pretty poor all round.
Older films like Velvia did mist well, IMO, so maybe look for more open vistas obviously affected by the atmospherics. Also you get fabulous closeups with water drops, wet wood and barks, overall I much prefer to washed out sunny scenes. Much better in wilderness too, underexpose a little. Just after rain but with overcast is excellent, the air is still full of vapour and the camera stays dry.