A Full Picture Walk Story

Let's do a picture walk! Here are the picture descriptions from a story. Picture 1: A girl looks out a window at rain. She looks bored. Picture 2: The girl puts on boots and a raincoat. She looks determined. Picture 3: The girl splashes in a huge puddle. She is laughing! Picture 4: A rainbow appears. The girl points at it with a huge smile. What do you think this story is about? Let's read and find out!