Tomorrow will be sunny with high clouds. What does this statement describe?

The weather, tomorrow.

The statement "Tomorrow will be sunny with high clouds" is a weather forecast or description of the expected weather conditions for the next day. It suggests that the weather will be sunny, meaning there will be plenty of sunshine, but there will also be high clouds present in the sky. The presence of high clouds usually means that the sky will not be completely clear, and some cloud cover will be visible. This forecast indicates that it will be a partially sunny day with the possibility of clouds passing through the sky.