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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 night. Freeze-thaw conditions (max 1°C on Mon morning, min -12°C on Tue night). Winds decreasing (stormy winds from the WSW on Mon morning, fresh winds from the W by Wed night).
Gassan Glacier Weather (Days 4-6): A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -1°C on Thu night, min -7°C on Sat morning). Winds increasing (light winds from the WSW on Thu morning, gales from the WSW by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 1 |  | ||||
| Middle Lift: | 3 | | ||||
| Bottom Lift: | 4 | |
Latest snow reports near Gassan Glacier:
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  |  | |  |  | | | | | |  | | |  | |
snow shwrs | mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | light snow | some clouds | clear | some clouds | light snow | light snow | heavy snow | light snow | light snow | clear | clear | some clouds | cloudy | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | 7 | 25 | 16 | 23 | 28 | 7 | 4 | 2 | — | — | — | — | 3 | 12 | 3 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 1 | -2 | -6 | -10 | -10 | -10 | -10 | -7 | -3 | -3 | -2 | -1 | -1 | -2 | -3 | -6 | -5 | -2 | -1 | 0 | 1 |
min°C | 1 | -5 | -9 | -10 | -10 | -12 | -11 | -9 | -6 | -4 | -2 | -2 | -2 | -3 | -6 | -7 | -5 | -4 | -2 | -1 | 0 |
-9 | -16 | -22 | -21 | -20 | -24 | -22 | -21 | -16 | -10 | -8 | -10 | -11 | -10 | -15 | -18 | -14 | -11 | -9 | -8 | -7 | |
76 | 98 | 95 | 98 | 98 | 98 | 98 | 74 | 79 | 72 | 52 | 32 | 90 | 98 | 98 | 89 | 67 | 67 | 47 | 45 | 53 | |
2250 | 1400 | 700 | 600 | 600 | 350 | 550 | 650 | 950 | 1100 | 1500 | 1750 | 1750 | 1650 | 1400 | 850 | 900 | 550 | 1400 | 1600 | 1900 | |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 4:25 | — | — | 4:24 | — | — | 4:23 | — | — | 4:23 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — |
A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon morning, min -12°C on Tue night). Winds decreasing (stormy winds from the WSW on Mon morning, fresh winds from the W by Wed night).
A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -1°C on Thu night, min -7°C on Sat morning). Winds increasing (light winds from the WSW on Thu morning, gales from the WSW by Thu night).
Latest snow reports near Gassan Glacier:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Nov 2025 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
1.0 | 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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