Next 3 days weather summary:Heavy rain (total 24.0mm), heaviest during Fri morning. Mild temperatures (max 9°C on Sat afternoon, min 3°C on Fri morning). Winds decreasing (fresh winds from the SE on Fri night, light winds from the S by Sat night). | Days 4-6 weather summary:Light rain (total 2.0mm), mostly falling on Tue afternoon. Very mild (max 16°C on Tue morning, min 10°C on Mon night). Wind will be generally light. | |||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  | |  | | |  | | | |  | |
mod. rain | light rain | some clouds | some clouds | some clouds | light rain | mod. rain | light rain | rain shwrs | some clouds | clear | some clouds | some clouds | rain shwrs | some clouds | clear | rain shwrs | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
8 | 4 | — | — | — | 3 | 6 | 1 | 2 | — | — | — | — | 1 | — | — | 1 | — | |
max °C | 3 | 4 | 6 | 8 | 9 | 7 | 8 | 9 | 8 | 13 | 13 | 12 | 16 | 15 | 12 | 15 | 14 | 12 |
min °C | 3 | 4 | 4 | 8 | 8 | 5 | 8 | 8 | 7 | 11 | 12 | 10 | 14 | 13 | 11 | 13 | 13 | 11 |
-3 | 0 | -2 | 4 | 5 | 2 | 5 | 5 | 4 | 10 | 12 | 10 | 14 | 12 | 11 | 13 | 11 | 9 | |
97 | 89 | 57 | 17 | 56 | 67 | 85 | 97 | 96 | 72 | 57 | 51 | 58 | 71 | 74 | 74 | 71 | 64 | |
3450 | 3250 | 3300 | 3850 | 3850 | 3450 | 3200 | 3300 | 3350 | 3350 | 3400 | 3650 | 3600 | 3700 | 3650 | 3750 | 3950 | 4200 | |
 | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — |
 | — | 6:50 | — | — | 6:51 | — | — | 6:51 | — | — | 6:52 | — | — | 6:52 | — | — | 6:53 | — |
Latest snow reports near Gassan Glacier:
| Top snow depth: | 220 cm |
|---|---|
| Bottom snow depth: | 40 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 9 May 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | 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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