Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | |||||||||||||
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 | snow shwrs | clear | clear | some clouds | snow shwrs | snow shwrs | rain shwrs | rain shwrs | rain shwrs | light snow | light snow | mod. rain | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | 1 | 1 | 5 | 2 | 1 | — | — | — | — | 1 | — | — | — | — | — | 2 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 4 | 9 | 1 |
max °C | -6 | -7 | -7 | -6 | -5 | -2 | 1 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 2 |
min °C | -7 | -7 | -8 | -7 | -5 | -3 | 0 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 0 |
chill °C | -17 | -17 | -18 | -18 | -15 | -11 | -6 | -3 | -5 | -7 | -5 | -5 | -4 | -3 | -3 | -2 | -1 | -7 |
Humid % | 72 | 85 | 88 | 75 | 75 | 85 | 61 | 53 | 64 | 82 | 81 | 68 | 64 | 64 | 49 | 96 | 99 | 86 |
Freeze m | 800 | 750 | 650 | 900 | 1050 | 1200 | 1950 | 2600 | 2650 | 2250 | 2300 | 2750 | 2650 | 2650 | 2900 | 2450 | 2500 | 2450 |
 | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:28 | — | — | 4:27 | — |
Next 3 days weather summary:A light covering of new snow, mostly falling on Tue night. Freeze-thaw conditions (max 3°C on Thu afternoon, min -8°C on Tue night). Winds decreasing (near gales from the WNW on Wed morning, moderate winds from the WNW by Thu morning). | Days 4-6 weather summary:A dusting of snow giving way to moderate rain (total 17.0mm) heaviest on Sun afternoon. Freeze-thaw conditions (max 3°C on Sat night, min 0°C on Sun night). Winds decreasing (strong winds from the WSW on Fri morning, light winds from the WNW by Sun 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: | 10 cm |
| Last snowfall: | 9 Nov 2026 |
| Snow Alerts | Create Alert |
0.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
1.3 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1984 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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