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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 well below freezing (max -6°C on Tue afternoon, min -10°C on Mon morning). Winds decreasing (severe gales from the NW on Mon morning, fresh winds from the W by Wed morning).
Gassan Glacier Weather (Days 4-6): Light rain (total 2.0mm), mostly falling on Sat afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -8°C on Thu morning). Winds increasing (moderate winds from the W on Fri afternoon, strong winds from the WSW by Sat afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -10 |  | |||
| Middle Lift: | -8 | | ||||
| Bottom Lift: | 0.0 m | -7 |  |
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 | light snow | light snow | heavy snow | heavy snow | light snow | light snow | mod. snow | light snow | clear | clear | clear | clear | clear | some clouds | rain shwrs | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
8 | 7 | 5 | 2 | 15 | 18 | 2 | 3 | 6 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
max °C | -10 | -9 | -8 | -7 | -6 | -8 | -9 | -9 | -9 | -8 | -6 | -3 | -2 | 1 | 4 | 4 | 4 | 5 |
min °C | -10 | -10 | -9 | -8 | -6 | -9 | -9 | -9 | -10 | -8 | -8 | -5 | -3 | -1 | 2 | 3 | 2 | 4 |
-24 | -24 | -22 | -19 | -17 | -20 | -20 | -19 | -21 | -18 | -17 | -13 | -11 | -7 | -4 | -3 | -4 | -2 | |
99 | 84 | 69 | 83 | 97 | 96 | 96 | 96 | 91 | 68 | 69 | 46 | 65 | 57 | 7 | 60 | 59 | 65 | |
650 | 550 | 550 | 750 | 850 | 600 | 450 | 550 | 250 | 500 | 650 | 0 | 1300 | 1700 | 2700 | 2750 | 2550 | 2650 | |
 | 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 afternoon. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -10°C on Mon morning). Winds decreasing (severe gales from the NW on Mon morning, fresh winds from the W by Wed morning).
Light rain (total 2.0mm), mostly falling on Sat afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -8°C on Thu morning). Winds increasing (moderate winds from the W on Fri afternoon, strong winds from the WSW by Sat afternoon).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 28 cm |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.9 | Powder days Fresh snow, limited sun, any wind. |
0.9 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1984 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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