Exodus 9:18

9:18 I am going to cause very severe hail to rain down about this time tomorrow, such hail as has never occurred in Egypt from the day it was founded until now.

Exodus 9:23

9:23 When Moses extended his staff toward the sky, the Lord sent thunder and hail, and fire fell to the earth; so the Lord caused hail to rain down on the land of Egypt.

Exodus 9:33

9:33 So Moses left Pharaoh, went out of the city, and spread out his hands to the Lord, and the thunder and the hail ceased, and the rain stopped pouring on the earth.