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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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Riverside Hills at 428 m altitude
Issued by Snow-Forecast.com at: 11 pm (local time) / 10 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | |  |  |  | |  | | | | |
cloudy | light snow | light snow | light snow | cloudy | cloudy | light snow | light snow | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | 3 | 5 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -6 | -5 | -7 | -8 | -10 | -13 | -16 | -16 | -22 | -17 | -15 | -4 | 0 | 0 | -1 |
min °C | -12 | -8 | -6 | -10 | -9 | -13 | -16 | -16 | -20 | -23 | -23 | -16 | -12 | -3 | -5 | -7 |
-18 | -12 | -10 | -17 | -18 | -22 | -24 | -24 | -29 | -32 | -29 | -25 | -22 | -8 | -9 | -7 | |
83 | 89 | 95 | 97 | 90 | 78 | 75 | 86 | 76 | 85 | 83 | 73 | 66 | 79 | 79 | 86 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — |
 | — | — | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | 4:44 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Thu afternoon. Temperatures will be below freezing (max -5°C on Thu afternoon, min -20°C on Sat afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 7°C on Tue morning, min -23°C on Sat night). Winds decreasing (fresh winds from the SW on Sun night, calm by Mon night).
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Snow Radar
Latest snow reports near Riverside Hills:
Riverside Hills Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Iowa are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
1.6 | Bluebird days Average snow, mostly sunny, light wind. |
Riverside Hills Forecast Snowfall
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Other resorts in USA - Iowa are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Riverside Hills at the specific elevation of 428 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Riverside Hills. 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
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