荒あれ模も様よう

na-adjective, noun which may take the genitive case particle 'no'

stormy; threatening (weather)

Describes weather that looks like it will become stormy, or figuratively a situation that seems about to turn turbulent.

• 空そらが荒あれ模も様ようだから、傘かさを持もって行いったほうがいい。

  The sky looks stormy, so you'd better take an umbrella.

• 会かい議ぎは荒あれ模も様ようで、意い見けんが激はげしく対たい立りつした。

  The meeting was stormy, with opinions clashing fiercely.