23 Then Moses stretched out his staff toward heaven, and the Lord sent thunder and hail, and fire came down on the earth. And the Lord rained hail on the land of Egypt; 24 there was hail with fire flashing continually in the midst of it, such heavy hail as had never fallen in all the land of Egypt since it became a nation. 25 The hail struck down everything that was in the open field throughout all the land of Egypt, both human and animal; the hail also struck down all the plants of the field, and shattered every tree in the field. 26 Only in the land of Goshen, where the Israelites were, there was no hail. 27 Then Pharaoh summoned Moses and Aaron, and said to them, "This time I have sinned; the Lord is in the right, and I and my people are in the wrong. 28 Pray to the Lord! Enough of God's thunder and hail! I will let you go; you need stay no longer." 29 Moses said to him, "As soon as I have gone out of the city, I will stretch out my hands to the Lord; the thunder will cease, and there will be no more hail, so that you may know that the earth is the Lord's. 30 But as for you and your officials, I know that you do not yet fear the Lord God." 31 (Now the flax and the barley were ruined, for the barley was in the ear and the flax was in bud. 32 But the wheat and the spelt were not ruined, for they are late in coming up.) 33 So Moses left Pharaoh, went out of the city, and stretched out his hands to the Lord; then the thunder and the hail ceased, and the rain no longer poured down on the earth. 34 But when Pharaoh saw that the rain and the hail and the thunder had ceased, he sinned once more and hardened his heart, he and his officials.
Matthew Henry's Commentary on Exodus 9:23-34
Commentary on Exodus 9:22-35
(Read Exodus 9:22-35)
Woful havoc this hail made: it killed both men and cattle; the corn above ground was destroyed, and that only preserved which as yet was not come up. The land of Goshen was preserved. God causes rain or hail on one city and not on another, either in mercy or in judgment. Pharaoh humbled himself to Moses. No man could have spoken better: he owns himself wrong; he owns that the Lord is righteous; and God must be justified when he speaks, though he speaks in thunder and lightning. Yet his heart was hardened all this while. Moses pleads with God: though he had reason to think Pharaoh would repent of his repentance, and he told him so, yet he promises to be his friend. Moses went out of the city, notwithstanding the hail and lightning which kept Pharaoh and his servants within doors. Peace with God makes men thunder-proof. Pharaoh was frightened by the tremendous judgment; but when that was over, his fair promises were forgotten. Those that are not bettered by judgments and mercies, commonly become worse.