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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 Tue afternoon, min -8°C on Tue night). Winds decreasing (severe gales from the WNW on Mon afternoon, moderate winds from the WNW by Wed morning).
Gassan Glacier Weather (Days 4-6): A dusting of snow turning to light rain (total 2.0mm) on Sat afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -8°C on Thu morning). Winds decreasing (strong winds from the WSW on Sat morning, light winds from the SSW by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -8 |  | |||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | 0.0 m | -5 | |
Latest snow reports near Gassan Glacier:
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  |  | | | | |  |  |  | | |  |  |  | |
mod. snow | mod. snow | mod. snow | light snow | heavy snow | heavy snow | light snow | mod. snow | mod. snow | light snow | snow shwrs | clear | clear | clear | clear | some clouds | rain shwrs | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
8 | 6 | 7 | 1 | 13 | 22 | 2 | 5 | 9 | 3 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
max °C | -6 | -7 | -6 | -4 | -3 | -5 | -7 | -7 | -8 | -7 | -7 | -4 | -1 | -1 | 2 | 3 | 3 | 5 |
min °C | -7 | -7 | -7 | -5 | -3 | -8 | -7 | -8 | -8 | -8 | -8 | -6 | -1 | -1 | 0 | 2 | 2 | 3 |
-19 | -20 | -18 | -14 | -13 | -17 | -15 | -16 | -17 | -18 | -14 | -13 | -7 | -6 | -6 | -4 | -5 | -2 | |
98 | 94 | 95 | 97 | 99 | 98 | 95 | 96 | 97 | 96 | 95 | 56 | 55 | 73 | 11 | 98 | 96 | 52 | |
600 | 500 | 550 | 750 | 1050 | 650 | 450 | 500 | 350 | 450 | 550 | 0 | 1500 | 1550 | 2600 | 2400 | 2350 | 2550 | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — |
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -3°C on Tue afternoon, min -8°C on Tue night). Winds decreasing (severe gales from the WNW on Mon afternoon, moderate winds from the WNW by Wed morning).
A dusting of snow turning to light rain (total 2.0mm) on Sat afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -8°C on Thu morning). Winds decreasing (strong winds from the WSW on Sat morning, light winds from the SSW by Sat night).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 37 cm |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
5.5 | 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 1500 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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