Next 3 days weather summary:Heavy rain (total 21.0mm), heaviest during Fri afternoon. Later becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 11°C on Mon morning, min 0°C on Fri night). Winds decreasing (severe gales from the WSW on Fri night, light winds from the WSW by Mon morning). | Days 4-6 weather summary:Light rain (total 2.0mm), mostly falling on Mon night. Very mild (max 15°C on Thu morning, min 6°C on Mon night). Wind will be generally light. | ||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | |  | | |  | | | | |
heavy rain | light snow | light snow | snow shwrs | snow shwrs | clear | clear | some clouds | some clouds | clear | light rain | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
12 | 9 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | |
max °C | 8 | 4 | 0 | 1 | 2 | 6 | 6 | 6 | 11 | 11 | 7 | 11 | 11 | 9 | 14 | 14 | 11 |
min °C | 6 | 0 | 0 | 1 | 1 | 4 | 5 | 4 | 9 | 8 | 6 | 9 | 9 | 7 | 12 | 11 | 10 |
1 | -10 | -9 | -8 | -8 | -2 | -1 | -1 | 8 | 6 | 3 | 6 | 7 | 6 | 12 | 10 | 8 | |
94 | 86 | 97 | 93 | 54 | 59 | 46 | 38 | 35 | 43 | 58 | 70 | 66 | 27 | 47 | 46 | 56 | |
2950 | 1750 | 1550 | 1550 | 1700 | 2000 | 2500 | 2750 | 2800 | 2850 | 3000 | 3000 | 3050 | 3150 | 3350 | 3400 | 3350 | |
 | — | — | 4:33 | — | — | 4:33 | — | — | 4:31 | — | — | 4:31 | — | — | 4:30 | — | — |
 | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:39 | — | — | 6:40 | — | — | 6:42 | — |
Latest snow reports near Gassan Glacier:
| Top snow depth: | 460 cm |
|---|---|
| Bottom snow depth: | 240 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 4 May 2026 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.0 | 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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