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Japan Weekly Snow Roundup #298
Weekly Snow News for Japan, updated 21 January 2026: Japan leads global snowfall again, with 1m (40") in 72 hours on Hokkaido and heavy, cold powder spreading into Honshu.
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Marunuma Kogen at 1390 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 23 Jan 2026
Now
Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  | |  |  |  | | | | | | |
snow shwrs | light snow | snow shwrs | light snow | light snow | snow shwrs | light snow | mod. snow | mod. snow | light snow | some clouds | some clouds | clear | snow shwrs | snow shwrs | snow shwrs | snow shwrs | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | 1 | — | 3 | 4 | 4 | 4 | 5 | 10 | — | — | — | — | 2 | 4 | 2 | 1 | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -7 | -10 | -6 | -6 | -11 | -10 | -10 | -12 | -7 | -7 | -10 | -2 | -2 | -9 | -7 | -8 | -12 |
min °C | -9 | -11 | -11 | -7 | -9 | -12 | -11 | -12 | -13 | -10 | -11 | -12 | -5 | -6 | -10 | -8 | -11 | -13 |
-15 | -11 | -15 | -12 | -13 | -16 | -22 | -24 | -20 | -15 | -11 | -12 | -8 | -11 | -14 | -15 | -18 | -18 | |
74 | 64 | 73 | 72 | 88 | 82 | 83 | 84 | 87 | 81 | 64 | 62 | 53 | 69 | 81 | 76 | 68 | 75 | |
0 | 350 | 0 | 350 | 400 | 0 | 0 | 0 | 0 | 0 | 400 | 0 | 650 | 1050 | 0 | 0 | 200 | 0 | |
 | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 4:57 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sun night. Temperatures will be well below freezing (max -6°C on Fri morning, min -13°C on Sun night). Winds increasing (calm on Fri afternoon, strong winds from the WNW by Sun morning).
Next 4-6 days weather summary:
A moderate fall of snow, heaviest on Tue afternoon. Temperatures will be below freezing (max -2°C on Tue morning, min -13°C on Wed night). Wind will be generally light.
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Latest snow reports near Marunuma Kogen:
46 km away from Marunuma Kogen
11 hours ago
It is snowing heavily in Hakkai Sanroku. from Hakkai Sanroku
Marunuma Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 24 cm |
| Last snowfall: | 22 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
Snow History
Week 4 of January has on average:
1.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.9 | Powder days Fresh snow, limited sun, any wind. |
1.3 | Bluebird days Average snow, mostly sunny, light wind. |
Marunuma Kogen Forecast Snowfall
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Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Marunuma Kogen at the specific elevation of 1390 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Marunuma Kogen. 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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