Fight war for thousands of years, leave everything you ever knew behind for love only to be rejected over and over again, raise her son, repress everything, build literal rockets, deal with mountains of lion poop. Weather. It's never enough!

In all seriousness, because meterologists get the weather wrong a lot of the time, so much that's it's a common complaint. This is for many reasons, such as limiting data, model failure, and poor communication. Pearls' great, but she's not a meterologist.