Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | | |  | | | | | |  | |  | |
light rain | cloudy | light rain | light rain | mod. rain | light snow | light snow | light snow | light snow | some clouds | cloudy | light rain | light rain | light rain | light snow | mod. snow | mod. snow | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | 4 | 5 | 6 | 41 |
mm | 1 | — | 1 | 5 | 7 | 4 | — | — | — | — | — | 2 | 1 | 2 | 14 | — | — | — |
max °C | 5 | 5 | 5 | 4 | 5 | 5 | -1 | -2 | -3 | -1 | 2 | 4 | 5 | 4 | 4 | -3 | -5 | -6 |
min °C | 4 | 5 | 4 | 4 | 5 | 0 | -2 | -2 | -5 | -1 | 0 | 2 | 4 | 3 | -1 | -5 | -5 | -8 |
chill °C | 0 | 3 | 0 | -1 | 1 | -9 | -11 | -11 | -12 | -4 | -5 | -4 | -1 | -4 | -12 | -18 | -18 | -21 |
Humid % | 82 | 79 | 77 | 96 | 95 | 99 | 81 | 82 | 86 | 24 | 58 | 91 | 95 | 99 | 94 | 91 | 98 | 97 |
Freeze m | 3050 | 2850 | 2550 | 2800 | 2750 | 2200 | 1450 | 1350 | 950 | 1550 | 1750 | 2200 | 2600 | 2550 | 2300 | 1000 | 1100 | 750 |
 | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 4:28 | — | — | 4:27 | — | — | 4:25 | — | — | 4:25 | — | — | 4:24 | — | — | 4:23 | — |
Next 3 days weather summary:Moderate rain (total 18.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 5°C on Sat morning, min -5°C on Mon night). Winds increasing (calm on Sat afternoon, near gales from the NW by Sun night). | Days 4-6 weather summary:Moderate rain (total 19.0mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 5°C on Wed morning, min -8°C on Thu night). Winds increasing (light winds from the WSW on Tue morning, extremely windy from the WSW by Thu morning). | |||||||||||||||||
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: | 11 Nov 2026 |
| Snow Alerts | Create Alert |
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.7 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Gassan Glacier at the specific elevation of 1742 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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