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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A moderate fall of snow, heaviest on Wed afternoon. 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 WNW by Fri morning).
Gassan Glacier Weather (Days 4-6): Mild at first with light rain (total 5.0mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -6°C on Mon night). Winds decreasing (near gales from the WSW on Sat afternoon, calm by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -7 |  | |||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | 0.0 m | -5 | |
Latest snow reports near Gassan Glacier:
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  | | |  |  | | |  | |  |  |  | | |  |  | |
light snow | light snow | mod. snow | light snow | light snow | some clouds | clear | clear | some clouds | some clouds | some clouds | clear | cloudy | rain shwrs | mod. snow | light snow | mod. snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | 4 | 8 | 2 | 1 | — | — | — | — | — | — | — | — | — | 5 | — | 5 | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | |
max °C | -6 | -5 | -7 | -9 | -9 | -4 | 0 | 2 | 3 | 2 | 3 | 6 | 5 | 4 | 0 | -1 | -4 | -4 |
min °C | -7 | -5 | -9 | -9 | -9 | -8 | -2 | 1 | 2 | 2 | 3 | 4 | 4 | 4 | -4 | -2 | -4 | -6 |
-15 | -13 | -21 | -21 | -20 | -17 | -7 | -5 | -5 | -5 | -4 | -2 | -2 | -3 | -12 | -6 | -9 | -9 | |
92 | 97 | 93 | 82 | 85 | 68 | 54 | 16 | 16 | 87 | 70 | 72 | 73 | 99 | 96 | 46 | 79 | 96 | |
650 | 900 | 450 | 400 | 450 | 0 | 1200 | 2050 | 2400 | 2200 | 2350 | 2450 | 2650 | 2550 | 1100 | 1100 | 750 | 700 | |
 | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — |
A moderate fall of snow, heaviest on Wed afternoon. 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 WNW by Fri morning).
Mild at first with light rain (total 5.0mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -6°C on Mon night). Winds decreasing (near gales from the WSW on Sat afternoon, calm by Mon night).
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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