'Clouds' in the Bible

If the clouds be full of rain, they empty themselves upon the earth; and if a tree fall toward the south, or toward the north, in the place where the tree falleth, there shall it be.

He that observeth the wind shall not sow; and he that regardeth the clouds shall not reap.

before the sun, and the light, and the moon, and the stars, are darkened, and the clouds return after the rain;