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Japan Weekly Snow Roundup #292
Weekly Snow News for Japan, updated 10 December 2025: early-season bases deepen rapidly as Siberian air drives repeated snow across Hokkaido and Honshu
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Namari Onsen at 345 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  | | |  | | | | |  | | |
light snow | light rain | snow shwrs | snow shwrs | snow shwrs | snow shwrs | snow shwrs | snow shwrs | light snow | light snow | light rain | mod. snow | snow shwrs | snow shwrs | snow shwrs | snow shwrs | some clouds | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 6 | 1 | 1 | — | — | — | — | 3 | — | 6 | — | 1 | 1 | — | — | 8 | |
1 | 4 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | |
max °C | 4 | 6 | 1 | -4 | -5 | -4 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | -1 | -1 | 2 | 2 | 1 |
min °C | 1 | 5 | -6 | -5 | -6 | -5 | -2 | -2 | -2 | 0 | 2 | 1 | 0 | -2 | -2 | 1 | -1 | 0 |
-4 | 0 | -14 | -13 | -14 | -12 | -7 | -5 | -4 | -3 | 2 | -6 | -7 | -10 | -9 | -4 | -3 | -2 | |
88 | 68 | 78 | 74 | 76 | 76 | 76 | 72 | 80 | 98 | 96 | 95 | 81 | 80 | 81 | 73 | 79 | 99 | |
700 | 1350 | 150 | 0 | 0 | 0 | 0 | 400 | 0 | 350 | 1000 | 750 | 300 | 150 | 0 | 500 | 600 | 450 | |
 | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — |
Next 0-3 days weather summary:
Mild with light rain (total 5.0mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 6°C on Thu afternoon, min -6°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, calm by Sat night).
Next 4-6 days weather summary:
Mild at first with light rain (total 2.0mm) on Sun afternoon followed by colder weather and light fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 2°C on Sun afternoon, min -2°C on Mon afternoon). Winds increasing (calm on Sun afternoon, strong winds from the WNW by Sun night).
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Latest snow reports near Namari Onsen:
26 km away from Namari Onsen
15 hours ago
Snow falling at Getō Kōgen. from Getō Kōgen
25 km away from Namari Onsen
19 hours ago
Freezing rain reported from Morioka at 241 metres elevation 8 kms ENE of Morioka Highland but it is forecast cold enough for snow at the ski area from Morioka Highland
25 km away from Namari Onsen
22 hours agoContinuous light snow reported from Morioka at 241 metres elevation 8 kms ENE of Morioka Highland Ski Resort from Morioka Highland
Namari Onsen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Namari Onsen Forecast Snowfall
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Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Namari Onsen at the specific elevation of 345 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Namari Onsen. 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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