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Japan Christmas Snow Roundup #294
Weekly Snow News for Japan, updated 24 December 2025: Siberian cold continues to deliver exceptional snowfall, with Hokkaido leading global totals.
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Iwappara at 400 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 25 Dec 2025
Now
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  |  |  | |  |  |  |  | | |
light rain | heavy rain | light snow | heavy snow | heavy snow | heavy snow | cloudy | cloudy | snow shwrs | snow shwrs | some clouds | clear | cloudy | clear | rain shwrs | mod. rain | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 2 | 15 | 10 | 10 | — | — | 2 | 1 | — | — | — | — | — | — | 2 | — | |
4 | 15 | 5 | — | — | — | — | — | — | 1 | — | — | — | — | 2 | 6 | 2 | — | |
max °C | 8 | 5 | 3 | -1 | -3 | -4 | 0 | -1 | -2 | 3 | 2 | -4 | 4 | 4 | 1 | 3 | 2 | -1 |
min °C | 7 | 3 | 1 | -2 | -4 | -6 | -3 | -7 | -7 | 2 | -4 | -4 | 2 | 0 | 0 | 2 | 1 | -5 |
6 | 2 | -3 | -8 | -11 | -6 | -3 | -7 | -10 | 1 | -4 | -7 | -1 | -3 | -3 | -1 | -1 | -5 | |
96 | 98 | 95 | 95 | 93 | 95 | 77 | 71 | 75 | 92 | 88 | 78 | 70 | 80 | 79 | 96 | 95 | 92 | |
2350 | 1300 | 1150 | 250 | 0 | 0 | 0 | 300 | 0 | 650 | 800 | 0 | 1400 | 1450 | 1600 | 1000 | 750 | 0 | |
 | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:35 | — | — | 4:35 | — | — | 4:36 | — |
Next 0-3 days weather summary:
Heavy rain (total 24.0mm) on Thu afternoon. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 8°C on Thu morning, min -7°C on Sat afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 11.0mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 4°C on Mon morning, min -5°C on Tue night). Wind will be generally light.
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Latest snow reports near Iwappara:
11 km away from Iwappara
20 hours ago
Partly cloudy at Joetsu Kokusai. Calm. Thaw. No fresh snow. There are some open lifts. The pistes are rocky. Spring-snow conditions off-piste from Joetsu Kokusai
Iwappara Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 22 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | 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 400 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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