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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 -3°C on Sun afternoon, min -9°C on Mon morning). Winds decreasing (extremely windy from the W on Sun night, strong winds from the W by Wed morning).
Gassan Glacier Weather (Days 4-6): A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Fri night, min -9°C on Wed afternoon). Winds decreasing (near gales from the WNW on Wed night, light winds from the W by Thu afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -6 |  | |||
| Middle Lift: | -5 | | ||||
| Bottom Lift: | 0.0 m | -3 | |
Latest snow reports near Gassan Glacier:
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | |  |  |  | | |  | |
light snow | mod. snow | heavy snow | mod. snow | mod. snow | light snow | heavy snow | heavy snow | light snow | light snow | mod. snow | snow shwrs | clear | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
5 | 8 | 11 | 7 | 5 | — | 13 | 26 | 5 | 5 | 5 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -5 | -8 | -8 | -7 | -5 | -4 | -6 | -8 | -9 | -8 | -9 | -5 | -2 | 1 | 2 | 4 |
min °C | -5 | -7 | -9 | -8 | -8 | -7 | -4 | -8 | -8 | -9 | -9 | -9 | -8 | -4 | -1 | 1 | 1 |
-18 | -21 | -22 | -21 | -20 | -17 | -14 | -18 | -18 | -19 | -21 | -20 | -15 | -11 | -7 | -5 | -6 | |
96 | 98 | 98 | 86 | 83 | 86 | 97 | 97 | 95 | 95 | 96 | 85 | 75 | 16 | 44 | 15 | 15 | |
1250 | 950 | 650 | 500 | 550 | 750 | 1000 | 600 | 500 | 450 | 400 | 400 | 500 | 0 | 1500 | 2150 | 2450 | |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | 4:19 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — |
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -3°C on Sun afternoon, min -9°C on Mon morning). Winds decreasing (extremely windy from the W on Sun night, strong winds from the W by Wed morning).
A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Fri night, min -9°C on Wed afternoon). Winds decreasing (near gales from the WNW on Wed night, light winds from the W by Thu afternoon).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 36 cm |
| Last snowfall: | 13 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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