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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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Arai Funaokayama at 122 m altitude
Issued by Snow-Forecast.com at: 2 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 rain | rain shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | mod. rain | heavy rain | light rain | light rain | clear | clear | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
4 | 1 | — | — | — | — | — | — | — | — | 7 | 12 | 4 | 2 | — | — | — | — | |
max °C | 4 | 4 | 1 | 10 | 10 | 8 | 14 | 15 | 11 | 15 | 12 | 8 | 5 | 5 | 4 | 9 | 10 | 7 |
min °C | 4 | 2 | 0 | 5 | 7 | 6 | 11 | 11 | 11 | 14 | 9 | 5 | 5 | 5 | 2 | 5 | 7 | 6 |
3 | 1 | -3 | 3 | 6 | 4 | 10 | 10 | 10 | 14 | 7 | 3 | 3 | 4 | 2 | 3 | 6 | 4 | |
95 | 85 | 77 | 75 | 79 | 75 | 84 | 78 | 82 | 76 | 97 | 96 | 95 | 89 | 82 | 68 | 66 | 71 | |
650 | 700 | 600 | 2100 | 2600 | 2600 | 2500 | 2600 | 2750 | 2850 | 2250 | 1100 | 800 | 750 | 750 | 1600 | 2300 | 2400 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — |
Next 0-3 days weather summary:
Light rain (total 5.0mm), mostly falling on Thu morning. Freeze-thaw conditions (max 15°C on Sat afternoon, min 0°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 25.0mm), heaviest during Sun afternoon. Very mild (max 15°C on Sun morning, min 2°C on Mon night). Wind will be generally light.
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Latest snow reports near Arai Funaokayama:
34 km away from Arai Funaokayama
1 hour ago
Moderate 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
11 km away from Arai Funaokayama
3 hours 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
34 km away from Arai Funaokayama
7 hours agoContinuous light 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
21 km away from Arai Funaokayama
8 hours ago
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Arai Funaokayama Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 12 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
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Snow History
Week 3 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
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Arai Funaokayama Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Arai Funaokayama at the specific elevation of 122 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Arai Funaokayama. 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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