The Green rain weather event is one of the new additions to Stardew Valley's 1.6 update. As the name suggests, it's a rare type of weather that literally brings a green glow to the town, along with several rare materials to gather. It's a great time to stock up on moss and the far more common fiber if you happen to be low on those particular resources.
So how can you take advantage of the new weather phenomenon? In this guide, I'll explain when the green rain can happen, what to look out for when it does...