I'm trying to create clouds using noise texture in world. I would like to keep all the clouds up and not any below horizon. How can I do that? Also, I cannot create clouds using mesh or any other volume nodes cause my pc would explode.

Node setup for world texture and render preview:


Take the Generated texture coordinates, separate the z value, and use that information to create and adjust the horizon.

This can also be used to simulate a flat cloud base (i.e. flat-bottomed clouds, which is somewhat related to the concept of a cloud ceiling).

Please see the below node setup for details (note, I adjusted the Mapping—highlighted in yellow—to provide a more dramatic example):

Node Setup Hope this helps! Peace and God bless!

  • $\begingroup$ I did not get this. It did nothing. Can you share the .blend file? $\endgroup$
    – Aman Kumar
    Jul 3 at 3:12
  • $\begingroup$ I've edited the post to include a link to the .blend file directly above the screenshot. $\endgroup$ Jul 3 at 4:09

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