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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) / 22 Jan 2026
Now
Thu 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  | | | | | | | | | | |
light snow | light snow | light rain | light rain | light snow | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
2 | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 1 | |
— | 3 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | 3 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | -1 | -1 | -1 | -2 | 0 | -1 | 0 |
min °C | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | -1 | -2 | -2 | -2 | -1 | -1 | -1 |
-6 | -6 | -5 | -5 | -6 | -6 | -6 | -6 | -6 | -5 | -6 | -8 | -9 | -9 | -9 | -8 | -8 | |
95 | 98 | 97 | 94 | 89 | 94 | 81 | 90 | 80 | 69 | 93 | 91 | 89 | 94 | 98 | 97 | 95 | |
1250 | 1100 | 950 | 1050 | 950 | 750 | 950 | 900 | 800 | 950 | 500 | 450 | 450 | 300 | 450 | 550 | 650 | |
 | — | — | 8:11 | — | — | 8:11 | — | — | 8:08 | — | — | 8:07 | — | — | 8:06 | — | — |
 | 4:23 | — | — | 4:25 | — | — | 4:28 | — | — | 4:30 | — | — | 4:31 | — | — | 4:34 | — |
Next 0-3 days weather summary:
A dusting of snow turning to light rain (total 8.0mm) on Fri afternoon. Temperatures will be slightly above freezing (max 3°C on Fri morning, min 1°C on Thu afternoon). Winds decreasing (near gales from the ESE on Thu night, moderate winds from the SE by Sun morning).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Mon night. Freeze-thaw conditions (max 1°C on Sun afternoon, min -2°C on Mon morning). Winds increasing (light winds from the E on Sun night, strong winds from the E by Mon night).
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Snow Radar
Latest snow reports near Castleside:
Castleside Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 16 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in United Kingdom are reporting: powder (0) / good piste (0)
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 (0) / good piste (0)
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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