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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 afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -10°C on Tue night). Winds decreasing (gales from the WNW on Mon night, light winds from the WSW by Thu morning).
Gassan Glacier Weather (Days 4-6): A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Thu night, min -5°C on Fri night). Winds increasing (light winds from the WSW on Thu afternoon, near gales from the W by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -5 |  | ||||
| Middle Lift: | -4 | | ||||
| Bottom Lift: | -4 | |
Latest snow reports near Gassan Glacier:
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  |  |  |  |  | | | | |  |  | |  |  | |
mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | light snow | cloudy | clear | some clouds | light snow | mod. snow | heavy snow | light snow | snow shwrs | clear | clear | some clouds | cloudy | |
km/h | ||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | |||||||||||||
8 | 22 | 16 | 21 | 26 | 7 | 5 | 3 | — | — | — | 1 | 6 | 15 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -2 | -5 | -8 | -8 | -9 | -8 | -6 | -3 | -2 | -1 | 0 | 0 | 0 | -4 | -5 | -4 | -2 | -1 | 1 | 2 |
min°C | -4 | -8 | -8 | -8 | -10 | -9 | -7 | -5 | -2 | -2 | -1 | 0 | -1 | -5 | -5 | -4 | -4 | -2 | 0 | 2 |
-14 | -19 | -18 | -18 | -21 | -20 | -18 | -14 | -8 | -7 | -8 | -8 | -8 | -15 | -14 | -12 | -10 | -8 | -6 | -4 | |
98 | 97 | 98 | 98 | 84 | 98 | 86 | 88 | 84 | 67 | 63 | 99 | 98 | 98 | 81 | 86 | 68 | 71 | 62 | 41 | |
1300 | 700 | 600 | 600 | 300 | 600 | 700 | 1000 | 1200 | 1350 | 1650 | 1700 | 1700 | 1050 | 900 | 950 | 650 | 1350 | 1850 | 2100 | |
 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — |
 | 4:25 | — | — | 4:24 | — | — | 4:23 | — | — | 4:23 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — |
A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -10°C on Tue night). Winds decreasing (gales from the WNW on Mon night, light winds from the WSW by Thu morning).
A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Thu night, min -5°C on Fri night). Winds increasing (light winds from the WSW on Thu afternoon, near gales from the W by Thu night).
Latest snow reports near Gassan Glacier:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 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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