'Clouds' in the Bible

If the clouds are full of rain, they send it down on the earth; and if a tree comes down to the south, or the north, in whatever place it comes down, there it will be.

He who is watching the wind will not get the seed planted, and he who is looking at the clouds will not get in the grain.

While the sun, or the light, or the moon, or the stars, are not dark, and the clouds come not back after the rain;