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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A heavy fall of snow, heaviest during Wed afternoon. Becoming milder with drizzle, on Sat morning. Freeze-thaw conditions (max 3°C on Fri night, min -9°C on Wed night). Winds decreasing (near gales from the WNW on Wed night, light winds from the W by Fri morning).
Gassan Glacier Weather (Days 4-6): Mild with light rain (total 7.0mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 5°C on Sat night, min -6°C on Mon morning). Winds decreasing (near gales from the WSW on Sun morning, calm by Tue morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -9 |  | |||
| Middle Lift: | -8 | | ||||
| Bottom Lift: | 0.0 m | -7 | |
Latest snow reports near Gassan Glacier:
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  |  |  |  | |  |  | | |  | |
mod. snow | heavy snow | light snow | light snow | snow shwrs | clear | clear | some clouds | light rain | some clouds | clear | light rain | mod. rain | mod. snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
5 | 10 | 4 | 2 | — | — | — | — | — | — | — | — | — | 6 | — | 1 | 1 | |
— | — | — | — | — | — | — | — | 1 | — | — | 1 | 6 | — | — | — | — | |
max °C | -5 | -8 | -9 | -9 | -4 | -1 | 2 | 3 | 3 | 3 | 5 | 5 | 3 | 1 | -5 | -5 | -5 |
min °C | -5 | -9 | -9 | -9 | -8 | -2 | 1 | 3 | 2 | 3 | 4 | 3 | 2 | -5 | -6 | -6 | -6 |
-13 | -21 | -21 | -20 | -17 | -7 | -5 | -3 | -5 | -4 | -2 | -4 | -4 | -13 | -11 | -6 | -6 | |
98 | 92 | 82 | 86 | 73 | 55 | 17 | 17 | 83 | 77 | 75 | 73 | 99 | 98 | 87 | 72 | 87 | |
900 | 500 | 350 | 450 | 0 | 1250 | 2050 | 2400 | 2200 | 2300 | 2500 | 2650 | 2350 | 1400 | 750 | 800 | 650 | |
 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — |
A heavy fall of snow, heaviest during Wed afternoon. Becoming milder with drizzle, on Sat morning. Freeze-thaw conditions (max 3°C on Fri night, min -9°C on Wed night). Winds decreasing (near gales from the WNW on Wed night, light winds from the W by Fri morning).
Mild with light rain (total 7.0mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 5°C on Sat night, min -6°C on Mon morning). Winds decreasing (near gales from the WSW on Sun morning, calm by Tue morning).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 52 cm |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
5.2 | 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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