In Horizon, Misty the Cloud tries to work out a compromise with a group of sunbeams whose games are putting a damper on her birthday celebration, but the back-and-forth between the clouds and sun worries a human girl named Claire, who fears her birthday party will be ruined by bad weather. Includes weather facts.

"During the spring, a season of change, Misty the Cloud and friends must do their part to help things grow on Earth as the days get longer and the weather turns warmer"--