Verses with the word skies in the Old Testament (5 verses):

2 Samuel 22:12
And he made darkness pavilions round about him, dark waters, and thick clouds of the skies.

Psalms 18:11
He made darkness his secret place; his pavilion round about him were dark waters and thick clouds of the skies.

Psalms 77:17
The clouds poured out water: the skies sent out a sound: thine arrows also went abroad.

Isaiah 45:8
Drop down, ye heavens, from above, and let the skies pour down righteousness: let the earth open, and let them bring forth salvation, and let righteousness spring up together; I the LORD have created it.

Jeremiah 51:9
We would have healed Babylon, but she is not healed: forsake her, and let us go every one into his own country: for her judgment reacheth unto heaven, and is lifted up even to the skies.