Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 29.0mm), heaviest during Thu night. Freeze-thaw conditions (max 9°C on Sat night, min 0°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the W by Fri night).
Iwakisan Hyakuzawa Weather (Days 4-6): Heavy rain (total 24.0mm), mainly falling Mon morning. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 11°C on Sun morning, min -2°C on Tue night). Winds decreasing (fresh winds from the SW on Sun night, calm by Mon night).