プログレッシブ和英中辞典(第4版)の解説
くもゆき【雲行き】
&fRoman1;〔雲の動き〕the movement of the clouds；〔空模様〕the look of the sky
雲行きがあやしい
The sky looks threatening.
この雲行きなら天気はしばらくもちそうだ
From the look of the sky [clouds], I'd say the good weather will hold for some time.
&fRoman2;〔形勢〕
雲行きは悪くなるばかりだ
The situation is 「going from bad to worse [steadily deteriorating].
２国間の雲行きは非常に険悪になって来た
The relationship between the two countries is taking a critical turn.