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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: Mild with light rain (total 2.0mm) on Wed afternoon Becoming colder with a light covering of snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 3°C on Wed night, min -10°C on Mon night). Winds increasing (calm on Tue morning, fresh winds from the WSW by Tue night).
Gassan Glacier Weather (Days 4-6): A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -2°C on Thu night, min -17°C on Fri afternoon). Winds increasing (moderate winds from the SSW on Thu night, severe gales from the WNW by Fri afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -10 |  | |||
| Middle Lift: | -10 |  | ||||
| Bottom Lift: | 0.0 m | -11 | |
Latest snow reports near Gassan Glacier:
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | | | | |  |  | | |  | |  | |
snow shwrs | clear | some clouds | light snow | light snow | light snow | light snow | light snow | light snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | mod. snow | mod. snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
1 | — | — | — | 1 | 1 | — | 2 | 3 | 12 | 20 | 14 | 28 | 9 | 6 | 9 | |
— | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -3 | -1 | 2 | 1 | 2 | 3 | 1 | -2 | -2 | -11 | -16 | -14 | -12 | -11 | -8 |
min °C | -10 | -6 | -2 | 0 | 1 | 2 | 2 | -1 | -2 | -7 | -13 | -17 | -17 | -13 | -12 | -10 |
-18 | -8 | -7 | -6 | -5 | -4 | -4 | -6 | -7 | -20 | -28 | -34 | -34 | -28 | -25 | -20 | |
81 | 17 | 15 | 47 | 93 | 94 | 87 | 98 | 95 | 97 | 96 | 98 | 98 | 90 | 92 | 85 | |
0 | 0 | 1150 | 1850 | 2000 | 2050 | 2250 | 1900 | 1250 | 1400 | 200 | 0 | 0 | 0 | 0 | 0 | |
 | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — | — | 4:24 | — |
Mild with light rain (total 2.0mm) on Wed afternoon Becoming colder with a light covering of snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 3°C on Wed night, min -10°C on Mon night). Winds increasing (calm on Tue morning, fresh winds from the WSW by Tue night).
A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -2°C on Thu night, min -17°C on Fri afternoon). Winds increasing (moderate winds from the SSW on Thu night, severe gales from the WNW by Fri afternoon).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 21 cm |
| Last snowfall: | 21 Dec 2025 |
| Snow Alerts | Create Alert |
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
5.5 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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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