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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Thu morning, min -15°C on Fri morning). Winds increasing (moderate winds from the W on Wed afternoon, severe gales from the WNW by Thu night).
Gassan Glacier Weather (Days 4-6): A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -4°C on Sun morning, min -11°C on Sat morning). Winds increasing (light winds from the S on Sun morning, extremely windy from the WNW by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -9 |  | |||
| Middle Lift: | -7 | | ||||
| Bottom Lift: | 0.0 m | -6 | |
Latest snow reports near Gassan Glacier:
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | |  | |  | | | | | | | |
mod. snow | snow shwrs | some clouds | some clouds | snow shwrs | heavy snow | heavy snow | heavy snow | heavy snow | light snow | light snow | light snow | light snow | light snow | heavy snow | heavy snow | light snow | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
10 | 3 | — | — | — | 52 | 14 | 14 | 21 | 4 | 2 | — | — | 1 | 13 | 10 | 4 | 16 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -8 | -4 | -1 | -2 | -7 | -14 | -14 | -11 | -10 | -9 | -6 | -4 | -4 | -4 | -9 | -10 | -9 |
min °C | -7 | -8 | -7 | -3 | -2 | -14 | -15 | -14 | -13 | -11 | -10 | -9 | -5 | -4 | -8 | -10 | -11 | -9 |
-16 | -17 | -16 | -12 | -12 | -29 | -31 | -29 | -28 | -25 | -22 | -19 | -10 | -10 | -20 | -23 | -25 | -22 | |
95 | 93 | 85 | 70 | 38 | 97 | 98 | 97 | 94 | 84 | 84 | 85 | 62 | 94 | 75 | 88 | 94 | 93 | |
650 | 600 | 0 | 1200 | 1500 | 300 | 0 | 0 | 0 | 0 | 350 | 0 | 450 | 700 | 750 | 400 | 300 | 350 | |
 | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — |
A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Thu morning, min -15°C on Fri morning). Winds increasing (moderate winds from the W on Wed afternoon, severe gales from the WNW by Thu night).
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -4°C on Sun morning, min -11°C on Sat morning). Winds increasing (light winds from the S on Sun morning, extremely windy from the WNW by Sun night).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 52 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.6 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1742 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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