Hoshino Tomamu Snow Forecast

Daily-updated 7-day snow forecast for Hoshino Tomamu, Japan — snowfall by elevation, freezing level, rain risk and powder alerts.

• Elevation: 540m base · 860m mid · 1180m summit
• Season: December – April
• 7-day outlook: ≈0cm at mid-mountain (updated 2026-07-28)

Every Snowmads forecast blends four global weather models — ECMWF, GFS, ICON and JMA — corrected for snow-to-liquid ratio so cold, dry powder isn't under-counted. Forecasts are verified against what actually fell, every night — see the public scorecard.

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