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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -2°C on Sun morning, min -14°C on Fri night). Winds increasing (moderate winds from the WSW on Sat afternoon, extremely windy from the WSW by Sun night).
Gassan Glacier Weather (Days 4-6): A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be well below freezing (max -6°C on Tue morning, min -11°C on Wed night). Winds decreasing (gales from the WNW on Mon night, strong winds from the WNW by Tue afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -12 |  | |||
| Middle Lift: | -11 | | ||||
| Bottom Lift: | 0.0 m | -10 | |
Latest snow reports near Gassan Glacier:
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | | |  | | | | | | |
heavy snow | light snow | light snow | light snow | mod. snow | light snow | heavy snow | mod. snow | mod. snow | light snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | mod. snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
13 | 2 | — | 4 | 6 | 5 | 12 | 10 | 6 | 3 | 17 | 16 | 27 | 8 | 5 | 6 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -11 | -10 | -9 | -3 | -2 | -2 | -5 | -10 | -10 | -8 | -6 | -6 | -8 | -10 | -10 | -10 |
min °C | -14 | -10 | -10 | -6 | -3 | -6 | -9 | -11 | -11 | -9 | -6 | -8 | -10 | -10 | -10 | -11 |
-29 | -22 | -19 | -14 | -10 | -19 | -23 | -25 | -25 | -22 | -17 | -19 | -22 | -22 | -23 | -24 | |
69 | 68 | 70 | 44 | 94 | 98 | 98 | 98 | 91 | 72 | 97 | 98 | 97 | 97 | 97 | 94 | |
0 | 300 | 450 | 0 | 850 | 1600 | 1150 | 650 | 450 | 500 | 900 | 950 | 450 | 350 | 400 | 300 | |
 | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — |
A heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -2°C on Sun morning, min -14°C on Fri night). Winds increasing (moderate winds from the WSW on Sat afternoon, extremely windy from the WSW by Sun night).
A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be well below freezing (max -6°C on Tue morning, min -11°C on Wed night). Winds decreasing (gales from the WNW on Mon night, strong winds from the WNW by Tue afternoon).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 71 cm |
| Last snowfall: | 11 Dec 2025 |
| Snow Alerts | Create Alert |
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
5.0 | Powder days Fresh snow, limited sun, any wind. |
0.7 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1984 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Gassan Glacier. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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