Niseko Grand Hirafu Weather (Next 3 days): The snow forecast for Niseko Grand Hirafu is: Heavy rain (total 36.0mm), heaviest during Fri morning. Later becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 7°C on Thu night, min -2°C on Fri night). Wind will be generally light.
Niseko Grand Hirafu Weather (Days 4-6): Mild at first with light rain (total 9.0mm) on Mon morning followed by colder weather and light fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 9°C on Mon morning, min -6°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the SW by Mon afternoon).