Verses with the word lightning in the Old Testament (9 verses):

2 Samuel 22:15
And he sent out arrows, and scattered them; lightning, and discomfited them.

Job 28:26
When he made a decree for the rain, and a way for the lightning of the thunder:

Job 37:3
He directeth it under the whole heaven, and his lightning unto the ends of the earth.

Job 38:25
Who hath divided a watercourse for the overflowing of waters, or a way for the lightning of thunder;

Psalms 144:6
Cast forth lightning, and scatter them: shoot out thine arrows, and destroy them.

Ezekiel 1:13
As for the likeness of the living creatures, their appearance was like burning coals of fire, and like the appearance of lamps: it went up and down among the living creatures; and the fire was bright, and out of the fire went forth lightning.

Ezekiel 1:14
And the living creatures ran and returned as the appearance of a flash of lightning.

Daniel 10:6
His body also was like the beryl, and his face as the appearance of lightning, and his eyes as lamps of fire, and his arms and his feet like in colour to polished brass, and the voice of his words like the voice of a multitude.

Zechariah 9:14
And the LORD shall be seen over them, and his arrow shall go forth as the lightning: and the LORD God shall blow the trumpet, and shall go with whirlwinds of the south.