What are the idioms that describe "cloudy weather"?

1 black wind and evil sea hē I f ē ng niè hi is a metaphor for the environment and the dangers encountered.

It was dark for two days. Tiā n h ū n d ? h ii i, interpretation: the world is dark. It is often used to describe the natural scene during wind haze and thunderstorm. Also described as very interested.

3 dark black.

It's dark. hēi dēng xiā huǒ？ Describe the darkness without lights.

5 black stiff, described very dark, I don't know what is hidden in the dark.