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 9:24

9:24 Hail fell and fire mingled with the hail; the hail was so severe that there had not been any like it in all the land of Egypt since it had become a nation.

Exodus 10:14

10:14 The locusts went up over all the land of Egypt and settled down in all the territory of Egypt. It was very severe; there had been no locusts like them before, nor will there be such ever again.