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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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Kusatsu Kokusai at 1245 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 18 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  |  |  |  |  | | | | | |
clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | light rain | light snow | light snow | snow shwrs | clear | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | |
max °C | -3 | 4 | 4 | 2 | 8 | 7 | 4 | 10 | 7 | 1 | -2 | -3 | -4 | 1 | 0 | -2 |
min °C | -5 | 1 | 0 | 0 | 6 | 3 | 4 | 7 | 5 | -3 | -4 | -6 | -6 | 0 | -3 | -3 |
-5 | -1 | -3 | -3 | 4 | 0 | 2 | 5 | 2 | -9 | -10 | -10 | -6 | -2 | -7 | -7 | |
47 | 44 | 56 | 40 | 74 | 79 | 79 | 84 | 89 | 97 | 85 | 81 | 47 | 47 | 60 | 70 | |
700 | 1850 | 2250 | 2550 | 2500 | 2700 | 2950 | 2850 | 2750 | 1200 | 650 | 750 | 550 | 1300 | 1300 | 1050 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — |
Next 0-3 days weather summary:
Light rain (total 3.0mm), mostly falling on Sun afternoon. Freeze-thaw conditions (max 10°C on Sun morning, min -5°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
A dusting of snow turning to light rain (total 3.0mm) on Wed afternoon. Freeze-thaw conditions (max 2°C on Wed morning, min -6°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Kusatsu Kokusai:
39 km away from Kusatsu Kokusai
10 hours ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
39 km away from Kusatsu Kokusai
12 hours agoModerate to heavy freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
43 km away from Kusatsu Kokusai
14 hours ago
It is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
Kusatsu Kokusai Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
1.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Kusatsu Kokusai Forecast Snowfall
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Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Kusatsu Kokusai at the specific elevation of 1245 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Kusatsu Kokusai. 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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