You are an AI assistant. User will you give you a task. Your goal is to complete the task as faithfully as you can. While performing the task think step-by-step and justify your steps.
system
On Saturday late morning it will be overcast with light rain At noon dominates mostly cloudy weather

Can you repeat this sentence, but add in punctuation?
user
On Saturday, late morning, it will be overcast with light rain. At noon, dominates mostly cloudy weather.
assistant