Cumulus humilis cloud
（重定向自Fair weather cumulus）
![](/Images/godic/202501/12/Cumulus_humilis1850.jpg")
Cumulus humilis is a cumuliform cloud with little vertical extent that is commonly referred to as "fair weather cumulus" and common in the summer. Though if they develop into cumulus mediocris cloud or the cumulus congestus cloud it may mean thunderstorms later in the day.