Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 38.0mm), heaviest during Sat night. Freeze-thaw conditions (max 5°C on Sat morning, min -1°C on Fri morning). Winds decreasing (fresh winds from the W on Fri night, light winds from the SW by Sun afternoon).
Iwakisan Hyakuzawa Weather (Days 4-6): Heavy rain (total 25.0mm), heaviest during Mon morning. Later becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 5°C on Mon morning, min -1°C on Mon night). Winds decreasing (strong winds from the WNW on Mon afternoon, light winds from the WSW by Wed morning).