Behold, at this time tomorrow I will rain down the worst hail that has ever fallen on Egypt, from the day it was founded until now.
KJV
Behold, to morrow about this time I will cause it to rain a very grievous hail, such as hath not been in Egypt since the foundation thereof even until now.
ASV
Behold, to-morrow about this time I will cause it to rain a very grievous hail, such as hath not been in Egypt since the day it was founded even until now.