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Japan Weekly Snow Roundup #290 – Early‑Season Honshu Snow
Weekly Snow News for Japan, updated 26 November 2025: late‑November storms improve conditions and hint at early openings.
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Gassan Glacier at 1742 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 26 Nov 2025
Now
Wed 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | ||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | |  |  | | |  |  | | | |  | | |
light snow | snow shwrs | clear | some clouds | heavy snow | mod. snow | light snow | light snow | light snow | snow shwrs | clear | light snow | snow shwrs | cloudy | rain shwrs | light snow | light snow | light snow | cloudy | heavy snow | |
km/h | ||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | |||||||||||||
— | 1 | — | — | 11 | 7 | 2 | 1 | 1 | — | — | — | — | — | — | 3 | 1 | — | — | 22 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | |
max°C | -1 | -1 | -1 | 1 | 3 | -2 | -5 | -6 | -5 | -3 | 1 | 1 | 2 | 6 | 5 | -1 | -2 | -1 | -1 | -1 |
min°C | -1 | -2 | -1 | 0 | -2 | -3 | -6 | -7 | -5 | -4 | -2 | 1 | 2 | 3 | 3 | -3 | -3 | -2 | -1 | -6 |
-7 | -7 | -6 | -5 | -11 | -14 | -19 | -20 | -15 | -12 | -9 | -7 | -5 | -2 | -6 | -14 | -14 | -9 | -7 | -16 | |
86 | 79 | 61 | 72 | 69 | 98 | 80 | 83 | 83 | 83 | 48 | 85 | 85 | 48 | 23 | 98 | 82 | 79 | 76 | 99 | |
1550 | 1350 | 1500 | 1650 | 2150 | 1400 | 950 | 700 | 800 | 1050 | 1300 | 2100 | 2400 | 2550 | 2500 | 1500 | 1200 | 1250 | 1500 | 1300 | |
 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — |
 | 4:21 | — | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -7°C on Fri night). Winds increasing (light winds from the SW on Wed night, stormy winds from the WNW by Fri afternoon).
Next 4-6 days weather summary:
Drizzle at first, then turning colder with dusting of snow on Mon afternoon. Freeze-thaw conditions (max 6°C on Sun night, min -4°C on Sat afternoon). Winds increasing (moderate winds from the W on Sat afternoon, severe gales from the WSW by Mon morning).
Popular Gassan Glacier Pages
Snow Radar
Latest snow reports near Gassan Glacier:
Gassan Glacier Snow Conditions
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 12 cm |
| Last snowfall: | 25 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan are reporting: powder (0) / good piste (0)
Snow History
Week 4 of November has on average:
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.4 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Gassan Glacier Forecast Snowfall
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Photos of Gassan Glacier
Tsukiyama ski area (Gassan) has 10m (33.3ft) snow. by Snow Forecast Admin
Tsukiyama ski area (Gassan) has 10m (33.3ft) snow. by Snow Forecast Admin
Tsukiyama ski area (Gassan) has 10m (33.3ft) snow. by Snow Forecast Admin
Upload new photo Other resorts in Japan are reporting: powder (0) / good piste (0)
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.
Visitor Reviews of Gassan Glacier
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