'Day of Clouds' in the Bible

As a shepherd cares for his sheep on the day that he is among his scattered flock, so I will care for My sheep; and I will rescue them from all the places to which they were scattered on a cloudy and gloomy day.

A day of darkness and gloom,A day of clouds and of thick [dark] mist,Like the dawn spread over the mountains;There is a [pagan, hostile] people numerous and mighty,The like of which has never been beforeNor will be again afterwardEven for years of many generations.

That day is a day of [the outpouring of the] wrath [of God],A day of trouble and distress,A day of destruction and devastation,A day of darkness and gloom,A day of clouds and thick darkness,