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Japan Weekly Snow Roundup #300
Weekly Snow News for Japan, updated 4th February 2026: Snowpack passes six metres at Seki Onsen as storms continue.
View forecast
Castleside at 634 m altitude
Issued by Snow-Forecast.com at: 11 pm (local time) / 05 Feb 2026
Now
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | |  |  | | | | | | | |
light snow | light snow | light snow | mod. rain | cloudy | light rain | heavy rain | light rain | some clouds | cloudy | light rain | light rain | cloudy | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 7 | — | 3 | 15 | 1 | — | — | 1 | 1 | — | — | — | — | |
max °C | 0 | 1 | 1 | 2 | 3 | 3 | 4 | 4 | 5 | 3 | 3 | 3 | 2 | 1 | 0 | -1 |
min °C | -1 | 0 | 1 | 2 | 3 | 3 | 4 | 3 | 3 | 2 | 2 | 3 | 1 | 1 | 0 | -2 |
-9 | -7 | -6 | -4 | -2 | -2 | -1 | 0 | -1 | -3 | -3 | -2 | -4 | -4 | -5 | -8 | |
97 | 98 | 98 | 99 | 84 | 98 | 98 | 91 | 75 | 91 | 97 | 94 | 96 | 92 | 86 | 95 | |
450 | 800 | 1050 | 1150 | 1350 | 1200 | 1350 | 1150 | 1350 | 1350 | 1100 | 1200 | 1050 | 850 | 750 | 400 | |
 | — | 7:48 | — | — | 7:46 | — | — | 7:43 | — | — | 7:41 | — | — | 7:39 | — | — |
 | — | — | 4:53 | — | — | 4:57 | — | — | 4:59 | — | — | 5:00 | — | — | 5:02 | — |
Next 0-3 days weather summary:
A dusting of snow. Milder later with heavy rain (total 26.0mm) on Sat night. Freeze-thaw conditions (max 5°C on Sun afternoon, min -1°C on Thu night). Winds decreasing (strong winds from the E on Thu night, light winds from the SE by Fri night).
Next 4-6 days weather summary:
Light rain (total 2.0mm) at first, then becoming colder with a dusting of snow on Wed afternoon. Freeze-thaw conditions (max 3°C on Sun night, min -2°C on Tue night). Mainly fresh winds.
Popular Castleside Pages
Snow Radar
Latest snow reports near Castleside:
Castleside Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 4 Feb 2026 |
| Snow Alerts | Create Alert |
Other resorts in United Kingdom are reporting: powder (0) / good piste (0)
Snow History
Week 1 of February has on average:
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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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