Exodus 24:15
And Moses will go up to the mountain and the cloud will cover the mount
Exodus 19:9
And Jehovah will say to Moses, Behold me coming to thee in the darkness of the cloud, so that the people shall hear in my speaking with thee, and also in thee shall they believe forever. And Moses will announce the words of the people to Jehovah.
Exodus 19:16
And it shall be in the third day, it being in the morning, and there shall be voices, and lightnings, and a heavy cloud upon the mount, and the voice of the trumpet exceedingly strong; and all the people in the camp will tremble.
Matthew 17:5
He yet speaking, behold, a shining cloud overshadowed them: and behold a voice out of the cloud, saying, This is my dearly beloved Son, in whom I was contented; hear ye him.
2 Chronicles 6:1
Then said Solomon, Jehovah said to dwell in thick clouds.