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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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Shiga Kogen-Ichinose Diamond at 1708 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 | clear | some clouds | some clouds | snow shwrs | light snow | light snow | light snow | clear | clear | clear | clear | clear | clear | rain shwrs | snow shwrs | some clouds | some clouds | cloudy | light snow | |
km/h | ||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | 2 | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | |
max°C | -1 | 0 | 3 | 3 | 2 | -1 | -2 | -3 | 0 | 1 | 2 | 5 | 5 | 4 | 5 | 4 | 1 | 4 | 3 | -1 |
min°C | -1 | -1 | 1 | 1 | 0 | -1 | -2 | -4 | -2 | 0 | 1 | 3 | 4 | 3 | 5 | 2 | -1 | 2 | 0 | -5 |
-6 | -4 | -3 | -4 | -5 | -6 | -7 | -9 | -6 | -3 | -2 | 1 | 2 | 0 | 0 | -1 | -4 | -2 | -3 | -11 | |
89 | 56 | 61 | 60 | 83 | 91 | 91 | 90 | 66 | 56 | 51 | 30 | 44 | 36 | 66 | 83 | 81 | 47 | 57 | 89 | |
1600 | 1600 | 2000 | 2200 | 2050 | 1500 | 1350 | 1050 | 1200 | 1950 | 2000 | 2600 | 2750 | 2700 | 2700 | 2300 | 1900 | 2300 | 2150 | 1450 | |
 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Thu morning, min -4°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 2.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 5°C on Sun morning, min -1°C on Mon night). Wind will be generally light.
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Snow Radar
Latest snow reports near Shiga Kogen-Ichinose Diamond:
Shiga Kogen-Ichinose Diamond Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 21 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
Snow History
Week 4 of November has on average:
1.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.1 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Ichinose Diamond Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Shiga Kogen-Ichinose Diamond at the specific elevation of 1708 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Ichinose Diamond. 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 Shiga Kogen-Ichinose Diamond
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