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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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Castleside at 634 m altitude
Issued by Snow-Forecast.com at: 5 pm (local time) / 23 Jan 2026
Now
Fri 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  | | | | | | | |  | |
light rain | light snow | light snow | clear | light snow | light snow | light snow | light snow | cloudy | cloudy | light snow | light snow | cloudy | light snow | light snow | light rain | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 3 | — | — | — | |
3 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | |
max °C | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 2 | 2 |
min °C | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | -1 | -1 | 0 | 0 | 0 | 2 | 2 | 1 |
-5 | -5 | -6 | -4 | -6 | -5 | -5 | -6 | -6 | -8 | -8 | -5 | -7 | -9 | -6 | -5 | -5 | |
93 | 98 | 91 | 85 | 87 | 98 | 98 | 96 | 94 | 89 | 97 | 96 | 94 | 98 | 95 | 92 | 81 | |
1100 | 1000 | 900 | 1000 | 900 | 900 | 950 | 750 | 600 | 600 | 700 | 700 | 650 | 700 | 900 | 1000 | 1150 | |
 | — | — | 8:11 | — | — | 8:08 | — | — | 8:07 | — | — | 8:06 | — | — | 8:03 | — | — |
 | 4:25 | — | — | 4:28 | — | — | 4:30 | — | — | 4:31 | — | — | 4:34 | — | — | 4:36 | — |
Next 0-3 days weather summary:
Light rain (total 9.0mm) at first, then becoming colder with a dusting of snow on Sun morning. Freeze-thaw conditions (max 2°C on Fri afternoon, min 0°C on Sun night). Winds decreasing (strong winds from the ESE on Fri afternoon, moderate winds from the ESE by Sun night).
Next 4-6 days weather summary:
A dusting of snow turning to light rain (total 2.0mm) on Wed morning. Freeze-thaw conditions (max 2°C on Wed morning, min -1°C on Mon afternoon). Winds increasing (light winds from the SE on Mon night, gales from the SE by Wed morning).
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Snow Radar
Latest snow reports near Castleside:
Castleside Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 22 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in United Kingdom are reporting: powder (1) / good piste (1)
Snow History
Week 4 of January has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Castleside Forecast Snowfall
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Other resorts in United Kingdom are reporting: powder (1) / good piste (1)
The above table gives the weather forecast for Castleside at the specific elevation of 634 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Castleside. 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 United Kingdom.
Click here to read further information on freezing levels and how we forecast our temperatures.
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