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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Thu night, min -10°C on Tue night). Winds increasing (light winds from the WSW on Thu morning, gales from the W by Thu night).
Gassan Glacier Weather (Days 4-6): A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 3°C on Sun afternoon, min -6°C on Fri night). Winds decreasing (gales from the WNW on Fri night, moderate winds from the W by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -11 |  | ||||
| Middle Lift: | -10 | | ||||
| Bottom Lift: | -8 | |
Latest snow reports near Gassan Glacier:
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | | |  | | |  |  |  | | |
heavy snow | mod. snow | light snow | light snow | some clouds | clear | snow shwrs | mod. snow | heavy snow | heavy snow | light snow | light snow | clear | some clouds | clear | some clouds | cloudy | snow shwrs | some clouds | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
18 | 6 | 4 | 1 | — | — | — | 9 | 10 | 21 | 1 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -9 | -7 | -5 | -3 | -3 | -2 | -1 | -2 | -3 | -5 | -3 | -3 | -1 | 1 | 3 | 3 | 2 | 2 | 2 |
min°C | -10 | -8 | -5 | -4 | -3 | -3 | -1 | -2 | -4 | -6 | -4 | -3 | -3 | 0 | 2 | 2 | 2 | 1 | 1 |
-23 | -19 | -15 | -12 | -7 | -10 | -8 | -9 | -11 | -17 | -13 | -11 | -9 | -6 | -4 | -4 | -4 | -5 | -4 | |
85 | 98 | 84 | 86 | 66 | 53 | 96 | 99 | 98 | 98 | 85 | 87 | 71 | 48 | 35 | 23 | 91 | 94 | 72 | |
300 | 600 | 850 | 900 | 1150 | 1200 | 1500 | 1450 | 1050 | 900 | 950 | 1100 | 1000 | 1750 | 2250 | 2400 | 2100 | 2000 | 2000 | |
 | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | — | 4:23 | — | — | 4:23 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:21 | — |
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Thu night, min -10°C on Tue night). Winds increasing (light winds from the WSW on Thu morning, gales from the W by Thu night).
A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 3°C on Sun afternoon, min -6°C on Fri night). Winds decreasing (gales from the WNW on Fri night, moderate winds from the W by Sat night).
Latest snow reports near Gassan Glacier:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 66 cm |
| Last snowfall: | 17 Nov 2025 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
0.8 | 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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