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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: Drizzle on Sun morning followed by colder weather and a heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 6°C on Sat afternoon, min -10°C on Mon morning). Winds decreasing (near gales from the WNW on Sun night, calm by Tue morning).
Gassan Glacier Weather (Days 4-6): Moderate rain (total 12.0mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 4°C on Wed night, min -11°C on Fri morning). Winds increasing (light winds from the SW on Tue afternoon, near gales from the NW by Fri morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | 4 |  | |||
| Middle Lift: | 6 | | ||||
| Bottom Lift: | 0.0 m | 5 | |
Latest snow reports near Gassan Glacier:
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | |  | | | | |  |  | | |  | |
some clouds | some clouds | light rain | mod. snow | mod. snow | light snow | light snow | snow shwrs | some clouds | some clouds | snow shwrs | light rain | mod. rain | light snow | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | 9 | 6 | 3 | 3 | 1 | — | — | — | — | — | 1 | 1 | — | 15 | |
— | — | 1 | — | — | — | — | — | — | — | — | 2 | 8 | 2 | — | — | — | |
max °C | 6 | 6 | 6 | 1 | -4 | -9 | -9 | -6 | -3 | 0 | 3 | 3 | 3 | 4 | -1 | -3 | -4 |
min °C | 5 | 5 | 4 | -2 | -9 | -10 | -9 | -9 | -4 | -1 | 1 | 2 | 2 | -1 | -2 | -4 | -9 |
0 | 0 | -2 | -11 | -21 | -22 | -19 | -18 | -4 | -5 | -4 | -4 | -5 | -7 | -8 | -10 | -18 | |
75 | 75 | 73 | 99 | 85 | 81 | 81 | 86 | 14 | 15 | 46 | 72 | 95 | 99 | 88 | 95 | 98 | |
2400 | 2550 | 2600 | 2000 | 750 | 300 | 350 | 0 | 450 | 1350 | 2050 | 2250 | 2250 | 2150 | 1350 | 1050 | 950 | |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:21 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — |
Drizzle on Sun morning followed by colder weather and a heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 6°C on Sat afternoon, min -10°C on Mon morning). Winds decreasing (near gales from the WNW on Sun night, calm by Tue morning).
Moderate rain (total 12.0mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 4°C on Wed night, min -11°C on Fri morning). Winds increasing (light winds from the SW on Tue afternoon, near gales from the NW by Fri morning).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 22 cm |
| Last snowfall: | 18 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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