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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Kitashiga Kogen Komaruyama at 1050 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | |  |  | | | | | | | |
light snow | snow shwrs | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | light rain | light snow | snow shwrs | snow shwrs | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | 4 | 3 | — | — | — | — | — | — | |
max °C | -2 | -2 | 1 | 6 | 6 | 7 | 9 | 9 | 9 | 11 | 9 | 4 | -2 | -2 | 1 | 6 | 5 | 5 |
min °C | -2 | -3 | -2 | 4 | 5 | 6 | 7 | 8 | 8 | 10 | 7 | -1 | -3 | -3 | -2 | 3 | 4 | 4 |
-6 | -3 | -2 | 2 | 2 | 4 | 4 | 6 | 6 | 8 | 5 | -6 | -8 | -6 | -2 | 1 | 2 | 2 | |
94 | 88 | 48 | 50 | 57 | 42 | 88 | 82 | 81 | 85 | 95 | 99 | 93 | 89 | 43 | 45 | 51 | 51 | |
700 | 750 | 600 | 1950 | 2450 | 2550 | 2500 | 2650 | 2800 | 2850 | 2750 | 1250 | 650 | 700 | 900 | 1750 | 2050 | 2250 | |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 9°C on Sat morning, min -3°C on Thu afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 7.0mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 11°C on Sun morning, min -3°C on Mon morning). Wind will be generally light.
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Latest snow reports near Kitashiga Kogen Komaruyama:
50 km away from Kitashiga Kogen Komaruyama
1 hour ago
There is heavy snow falling at Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
29 km away from Kitashiga Kogen Komaruyama
1 hour ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
40 km away from Kitashiga Kogen Komaruyama
1 hour agoContinuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
37 km away from Kitashiga Kogen Komaruyama
3 hours agoIt is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
Kitashiga Kogen Komaruyama Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 3 of December has on average:
1.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.0 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
Kitashiga Kogen Komaruyama Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Kitashiga Kogen Komaruyama at the specific elevation of 1050 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Kitashiga Kogen Komaruyama. 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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