General Cloudiness.
When a general cloudiness covers the sky and small, black fragments of clouds fly underneath, they indicate rain, and probably it will be lasting.
Hen Scarts.
Hen scarts and filly tails
Make lofty ships wear low sails.
High, Dark Clouds.
If high, dark clouds are seen, in spring, winter, or fall, expect cold weather.
Heavy Sky.
If the sky after fine weather becomes heavy with small clouds, expect rain.
High Clouds.