- Peter wakes up and looks out the window, discovering that it snowed during the night.
- He puts on his red snowsuit (with the pointy hood) and runs outside to explore.
- Along the street, Peter finds snowbanks piled high.
- He crunches through the snow, pointing his feet out and then in to make interesting tracks.
- Peter drags his feet to make long tracks, and then he finds a stick to make a third track next to the two left by his dragging feet.
- Peter smacks a tree covered in snow and a bunch of snow falls on his head.
- He continues to explore and finds himself caught in the middle of a snowball fight.
- Peter thinks it would be fun to join the older boys in their snowball fight someday, but not quite yet.
- He makes a snowman and a couple of snow angels and then pretends to be a mountain climber as he goes up a great big hill of snow.
- Peter slides down the other side of the snow mountain and heads home.
- Outside the door to his building, he packs some snow into a snowball and puts it in his pocket.
- Inside, Peter tells his mother about his day while she helps him out of his wet clothes.
- Peter takes a bath, and thinks about his day.
- On his way to bed, Peter checks for the snowball in his coat pocket, but it's gone, which makes Peter sad.
- At night, Peter dreams that the sun has melted all the snow, but when he wakes up, it's still snowy outside and new snow is falling.
- After breakfast, Peter goes out for more fun in the snow, this time with his friend from across the hall.