Head to the library! Especially in the back of the kids section. The huge walls of windows facing the Boulder Creek make for fantastic rain watching. The kids section has games, a play house/puppet house, lots of books (obviously) and computers with games. And it's free with no obligation to buy or salespeople watching your kids like hawks. It is a beautiful building, and I've always thought you could judge a community by their library. And by the way, Louisville has a beautiful new library with a great kids section and big windows from which you can watch the rain or trains go by!