Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  | | |  | | |  | | | | |
rain shwrs | light snow | snow shwrs | some clouds | cloudy | heavy rain | heavy rain | mod. rain | mod. snow | light snow | light snow | light snow | light snow | some clouds | some clouds | mod. rain | heavy rain | heavy rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | 1 | — | — | — | — | — | — | 8 | 1 | — | 1 | — | — | — | — | — | — |
mm | 2 | 3 | — | — | — | 14 | 18 | 8 | 6 | — | — | — | — | — | — | 6 | 13 | 11 |
max °C | 4 | 3 | 0 | 0 | 3 | 5 | 5 | 5 | 4 | -1 | -1 | 0 | 0 | 1 | 5 | 5 | 5 | 8 |
min °C | 4 | 1 | -3 | -1 | 1 | 3 | 4 | 4 | -1 | -1 | -1 | -1 | 0 | 1 | 2 | 4 | 5 | 5 |
chill °C | -2 | -8 | -12 | -8 | -4 | -3 | 1 | 1 | -9 | -10 | -10 | -9 | -6 | -3 | -1 | -1 | 0 | -1 |
Humid % | 96 | 97 | 94 | 96 | 81 | 95 | 100 | 100 | 98 | 99 | 91 | 83 | 97 | 57 | 55 | 84 | 96 | 81 |
Freeze m | 2150 | 2050 | 1250 | 1250 | 1650 | 2100 | 2450 | 2350 | 1850 | 1450 | 1300 | 1400 | 1500 | 1700 | 2400 | 2650 | 2750 | 3100 |
 | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — |
 | — | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:37 | — | — | 4:36 | — |
Next 3 days weather summary:Heavy rain (total 51.0mm), mainly falling Mon morning. Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Sun night, min -3°C on Sat night). Winds decreasing (gales from the WNW on Sat afternoon, light winds from the SW by Mon afternoon). | Days 4-6 weather summary:A dusting of snow. Milder later with heavy rain (total 30.0mm) on Thu afternoon. Freeze-thaw conditions (max 8°C on Thu night, min -1°C on Tue morning). Winds decreasing (near gales from the WNW on Tue morning, calm by Wed afternoon). | |||||||||||||||||
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche information: Japan Avalanche Network
Latest snow reports near Gassan Glacier:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 28 Oct 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. |
0.1 | 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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