Deuteronomy 4:11

4:11 You approached and stood at the foot of the mountain, a mountain ablaze to the sky above it and yet dark with a thick cloud.

Ezekiel 30:3

30:3 For the day is near,

the day of the Lord is near;

it will be a day of storm clouds,

it will be a time of judgment for the nations.

Ezekiel 34:12

34:12 As a shepherd seeks out his flock when he is among his scattered sheep, so I will seek out my flock. I will rescue them from all the places where they have been scattered on a cloudy, dark day.

Joel 2:2

2:2 It will be a day of dreadful darkness,

a day of foreboding storm clouds,

like blackness spread over the mountains.

It is a huge and powerful army –

there has never been anything like it ever before,

and there will not be anything like it for many generations to come!

Hebrews 12:18

12:18 For you have not come to something that can be touched, to a burning fire and darkness and gloom and a whirlwind