He loads the clouds with moisture; He scatters His lightning through them.
The changes and extremities of the weather, wet or dry, hot or cold, are the subject of a great deal of our common talk and observation; but how seldom do we think and speak of these things, as Elihu does here, with an awful regard to God the director of them, who shows his power and serves the purposes of his providence by them!
Commenting on Job 37:6-13
Also by watering he wearieth the thick cloud,.... By filling it with a multitude of water, it is as it were loaded and made weary with it; and especially by sending it about thus loaded from place to place before discharged, when it becomes as a weary traveller; and then by letting down the water in it, whereby it spends itself like one that is...
How the thunderclouds are dispersed, or else employed by God, either for correction or mercy. by watering--by loading it with water. wearieth--burdeneth it, so that it falls in rain; thus "wearieth" answers to the parallel "scattereth" (compare, see on Job 37:9); a clear sky resulting alike from both. bright cloud--literally, "cloud of his light," that is, of His lightning.