'Clouds' in the Bible

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

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

While the sun, or the light, or the moon, or the stars, be not darkened, nor the clouds return after the rain: