What does the Torah mean when it writes "u'Matar Lo nitach Artzah"? Hashem harden Pharaoh's heart
Rashi #1, Targum Onkelos and Targum Yonasan: It means that the rain
did not reach the ground.
Rashi #2 (citing Menachem ben S'ruk) and Rashbam: It did not pour on to the ground.
According to the Ta'amim, Targumim and Rashi, the verse means that the hail stopped, and the rain did not reach the ground.
It stopped in mid-air. Rabeinu Bachye (citing Midrash Tanchuma) relates that they would later fall on the Cana'anim in the time of Yehoshua (as recorded in Yehoshua 10:11), whereas, according to the Gemara in B'rachos (54b, it was Yechezkel who ordered them to fall [See Rashi Yechezkel, 13:11]).