Nice day, isn't it? Talking about the weather in California was always a bit drab, because it never really changes. But I have been spoiled. After moving abroad, I find myself very dependent on weather predictions. Such a mundane thing, and yet so immensely important. Accurate weather predictions are a perfect example of the progress enabled by the computer. I script this while watching the rain outside. In this video, we explore how the computer revolutionized the weather forecast.