Here's what it means:
* Scattered clouds represent uncertainty. The scattered clouds symbolize the uncertainty of Brian's situation. He is alone, lost, and facing the unknown. This uncertainty is mirrored in the unpredictable nature of the weather and the wildness of the Canadian forest.
* Scattered clouds can bring both sunshine and rain. The scattered clouds can bring both sunlight and rain, just like Brian's experience. He experiences both moments of hope and fear, discovering both the beauty and the dangers of the wilderness.
* Scattered clouds suggest a vastness. The scattered clouds create a sense of vastness and emptiness, reflecting Brian's feeling of isolation and the vastness of the wilderness.
In short, the scattered clouds in *Hatchet* represent the unpredictable, challenging, and sometimes beautiful nature of Brian's survival journey. They symbolize the uncertainty, possibility, and vastness of the world he now inhabits.