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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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Iwappara at 692 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 18 Dec 2025
Now
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  |  |  |  | | | | | | |
snow shwrs | clear | clear | clear | clear | clear | clear | some clouds | cloudy | light rain | light snow | light snow | light snow | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 5 | 7 | — | — | — | — | — | — | |
max °C | 0 | 0 | 7 | 7 | 7 | 11 | 11 | 10 | 12 | 10 | 4 | -1 | -2 | -1 | 6 | 5 | 5 |
min °C | -2 | -2 | 4 | 5 | 5 | 9 | 9 | 9 | 12 | 9 | 0 | -1 | -2 | -2 | 4 | 2 | 3 |
-2 | -2 | 3 | 3 | 3 | 8 | 7 | 7 | 10 | 7 | -4 | -5 | -6 | -2 | 2 | -1 | 0 | |
86 | 57 | 55 | 62 | 59 | 77 | 81 | 78 | 82 | 94 | 98 | 94 | 90 | 64 | 43 | 55 | 66 | |
650 | 0 | 1950 | 2450 | 2600 | 2600 | 2700 | 2950 | 3050 | 2700 | 1150 | 550 | 500 | 0 | 1700 | 1950 | 2200 | |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:29 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 12°C on Sun morning, min -2°C on Thu afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Mild with moderate rain (total 12.0mm) on Sun afternoon, Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 10°C on Sun afternoon, min -2°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Iwappara:
6 km away from Iwappara
11 hours ago
It is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
34 km away from Iwappara
23 hours agoSnow is falling in Nozawa Onsen. from Nozawa Onsen
Iwappara Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 14 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.1 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Iwappara Forecast Snowfall
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Photos of Iwappara
Mid-station ticket hut at Iwappara by Snow Country Instructors
View from the slopes at Iwappara by Snow Country Instructors
Iwappara from a distance by Snow Country Instructors
Upload new photo Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Iwappara at the specific elevation of 692 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Iwappara. 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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