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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Thu night, min -8°C on Wed morning). Winds increasing (light winds from the WSW on Thu morning, gales from the W by Thu night).
Gassan Glacier Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 3°C on Sun night, min -4°C on Sat morning). Winds decreasing (strong winds from the WNW on Sat morning, moderate winds from the WSW by Mon morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -11 |  | ||||
| Middle Lift: | -9 | | ||||
| Bottom Lift: | -8 | |
Latest snow reports near Gassan Glacier:
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | | | |  | |  | | | |  | | | |
mod. snow | light snow | light snow | some clouds | clear | snow shwrs | mod. snow | heavy snow | heavy snow | light snow | light snow | snow shwrs | snow shwrs | clear | cloudy | light snow | light snow | snow shwrs | cloudy | heavy snow | light snow | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
6 | 4 | 1 | — | — | — | 7 | 10 | 24 | 1 | — | — | — | — | — | — | 3 | — | — | 15 | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -7 | -5 | -3 | -3 | -2 | 0 | 0 | -3 | -5 | -3 | -3 | -1 | 1 | 2 | 3 | 2 | 1 | 0 | 1 | -1 | -6 |
min°C | -8 | -5 | -5 | -3 | -2 | -1 | -2 | -4 | -6 | -4 | -3 | -3 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | -3 | -7 |
-19 | -15 | -13 | -7 | -7 | -8 | -10 | -11 | -15 | -14 | -12 | -10 | -6 | -4 | -4 | -4 | -6 | -6 | -7 | -14 | -19 | |
98 | 84 | 85 | 75 | 54 | 85 | 98 | 98 | 98 | 85 | 89 | 79 | 51 | 64 | 33 | 85 | 96 | 94 | 79 | 98 | 81 | |
600 | 800 | 900 | 1100 | 1200 | 1700 | 1700 | 1200 | 800 | 950 | 1100 | 1050 | 1850 | 2100 | 2300 | 2100 | 1900 | 1750 | 1800 | 1550 | 650 | |
 | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — |
 | — | 4:23 | — | — | 4:23 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:21 | — |
A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Thu night, min -8°C on Wed morning). Winds increasing (light winds from the WSW on Thu morning, gales from the W by Thu night).
A dusting of new snow. Freeze-thaw conditions (max 3°C on Sun night, min -4°C on Sat morning). Winds decreasing (strong winds from the WNW on Sat morning, moderate winds from the WSW by Mon morning).
Latest snow reports near Gassan Glacier:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 66 cm |
| Last snowfall: | 18 Nov 2025 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | 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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