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Gassan Glacier Weather (Next 3 days): The snow forecast for Gassan Glacier is: A light covering of new snow on Fri morning turning to drizzle on Sun afternoon. Freeze-thaw conditions (max 3°C on Sun night, min -7°C on Fri night). Winds decreasing (severe gales from the WNW on Fri afternoon, light winds from the WSW by Sat afternoon).
Gassan Glacier Weather (Days 4-6): Moderate rain (total 10.0mm) on Mon night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Mon morning, min -12°C on Wed night). Winds increasing (light winds from the WSW on Tue morning, severe gales from the WSW by Wed morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -6 |  | |||
| Middle Lift: | -4 | | ||||
| Bottom Lift: | 0.0 m | -2 | |
Latest snow reports near Gassan Glacier:
Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||||
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 | light snow | clear | clear | some clouds | rain shwrs | some clouds | some clouds | light rain | light snow | light snow | light snow | heavy snow | mod. snow | heavy snow | heavy snow | mod. snow | mod. snow | mod. snow | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
6 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 20 | 6 | 21 | 33 | 7 | 8 | 9 | |
— | — | — | — | — | — | — | 1 | — | — | 4 | 6 | — | — | — | — | — | — | — | — | — | |
max°C | -1 | -3 | -6 | -4 | -4 | -1 | 2 | 2 | 3 | 5 | 3 | 3 | 1 | 0 | -1 | -5 | -7 | -10 | -10 | -9 | -8 |
min°C | -2 | -5 | -7 | -5 | -4 | -3 | 1 | 2 | 2 | 4 | 3 | 1 | 1 | 0 | -4 | -6 | -10 | -12 | -11 | -10 | -9 |
-12 | -17 | -20 | -15 | -10 | -9 | -7 | -5 | -4 | -3 | -5 | -6 | -4 | -4 | -14 | -17 | -21 | -26 | -24 | -23 | -22 | |
99 | 95 | 92 | 93 | 89 | 35 | 97 | 97 | 93 | 89 | 85 | 97 | 97 | 99 | 98 | 94 | 97 | 97 | 97 | 96 | 94 | |
1350 | 1000 | 550 | 750 | 950 | 1300 | 1850 | 2050 | 2250 | 2250 | 2150 | 1900 | 1900 | 1550 | 1050 | 750 | 550 | 0 | 0 | 150 | 300 | |
 | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | 4:20 | — | — | 4:20 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — | — | 4:17 | — |
A light covering of new snow on Fri morning turning to drizzle on Sun afternoon. Freeze-thaw conditions (max 3°C on Sun night, min -7°C on Fri night). Winds decreasing (severe gales from the WNW on Fri afternoon, light winds from the WSW by Sat afternoon).
Moderate rain (total 10.0mm) on Mon night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Mon morning, min -12°C on Wed night). Winds increasing (light winds from the WSW on Tue morning, severe gales from the WSW by Wed morning).
Latest snow reports near Gassan Glacier:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 13 cm |
| Last snowfall: | 27 Nov 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1500 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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