noun
threatening to snow; looking like snow
Describes weather that looks like it might snow soon; often used in literary or descriptive contexts.
空は雪催いで、今にも降り出しそうだ。
The sky is threatening to snow, and it looks like it could start any moment.
Compound of 雪 (yuki, 'snow') and 催い (moyoi, 'sign, indication'). The exact historical derivation of 催い is uncertain, but it is conventionally associated with the idea of something about to happen.