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Japan Weekly Snow Roundup #298
Weekly Snow News for Japan, updated 21 January 2026: Japan leads global snowfall again, with 1m (40") in 72 hours on Hokkaido and heavy, cold powder spreading into Honshu.
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Riverside Hills at 428 m altitude
Issued by Snow-Forecast.com at: 11 pm (local time) / 21 Jan 2026
Now
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | | |  | | |  |  | |  | |
some clouds | some clouds | light snow | some clouds | some clouds | cloudy | light snow | cloudy | cloudy | cloudy | light snow | light snow | snow shwrs | clear | some clouds | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -11 | -12 | -22 | -22 | -20 | -20 | -17 | -14 | -16 | -13 | -13 | -17 | -10 | -5 | -8 |
min °C | -11 | -11 | -18 | -26 | -25 | -20 | -21 | -20 | -16 | -17 | -15 | -15 | -20 | -16 | -7 | -12 |
-20 | -20 | -29 | -38 | -35 | -28 | -26 | -26 | -21 | -23 | -21 | -22 | -26 | -25 | -13 | -20 | |
79 | 80 | 69 | 74 | 68 | 62 | 77 | 93 | 73 | 90 | 92 | 85 | 96 | 79 | 59 | 79 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:41 | — | — | 7:41 | — | — |
 | — | — | 5:16 | — | — | 5:17 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — |
Next 0-3 days weather summary:
Mostly dry. Temperatures will be well below freezing (max -9°C on Wed night, min -26°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed night, calm by Fri night).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -5°C on Mon afternoon, min -20°C on Sun night). Winds increasing (calm on Sun morning, fresh winds from the SSW by Mon morning).
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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: | 3 cm |
| Last snowfall: | 20 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Iowa are reporting: powder (0) / good piste (0)
Snow History
Week 4 of January has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.1 | Powder days Fresh snow, limited sun, any wind. |
1.9 | 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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