Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be well below freezing (max -8°C on Wed morning, min -15°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, severe gales from the WNW by Wed night).
Gassan Glacier Weather (Days 4-6): Some drizzle, heaviest during Sun night. Freeze-thaw conditions (max 5°C on Sun night, min -8°C on Fri morning). Winds increasing (light winds from the SW on Sat night, near gales from the WSW by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -11 |  | |||
| Middle Lift: | -11 |  | ||||
| Bottom Lift: | 0.0 m | -9 | |
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  |  |  |  | | |  |  | |  | | |  | | |  | |
light snow | light snow | light snow | some clouds | heavy snow | heavy snow | light snow | light snow | snow shwrs | clear | clear | some clouds | some clouds | cloudy | clear | clear | clear | rain shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | 12 | 31 | 5 | 1 | 2 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
max °C | -9 | -9 | -9 | -8 | -8 | -12 | -12 | -12 | -9 | -8 | -7 | -4 | -3 | -2 | 2 | 4 | 4 | 5 |
min °C | -11 | -9 | -9 | -9 | -10 | -15 | -13 | -12 | -11 | -8 | -7 | -6 | -4 | -3 | -1 | 3 | 4 | 3 |
-18 | -14 | -16 | -18 | -22 | -31 | -28 | -25 | -23 | -14 | -13 | -12 | -10 | -8 | -6 | -1 | 1 | -3 | |
81 | 78 | 68 | 70 | 91 | 97 | 79 | 84 | 82 | 30 | 67 | 46 | 47 | 52 | 27 | 19 | 21 | 21 | |
250 | 500 | 0 | 500 | 700 | 0 | 0 | 0 | 0 | 250 | 650 | 0 | 1000 | 1250 | 1750 | 2300 | 2500 | 2500 | |
 | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — |
 | — | 5:19 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — |
A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be well below freezing (max -8°C on Wed morning, min -15°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, severe gales from the WNW by Wed night).
Some drizzle, heaviest during Sun night. Freeze-thaw conditions (max 5°C on Sun night, min -8°C on Fri morning). Winds increasing (light winds from the SW on Sat night, near gales from the WSW by Sun night).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 13 cm |
| Last snowfall: | 16 Feb 2026 |
| 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. |
0.8 | 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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