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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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Deer Mountain at 1929 m altitude
Issued by Snow-Forecast.com at: 4 am (local time) / 21 Jan 2026
Now
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | | | | | | | | |
snow shwrs | clear | clear | some clouds | light snow | light snow | light snow | light snow | clear | some clouds | light snow | light snow | snow shwrs | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | 1 | — | — | 1 | 2 | 1 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -10 | -10 | -11 | -13 | -14 | -20 | -16 | -15 | -14 | -10 | -12 | -14 | -17 | -16 | -11 | -3 | 0 | -4 |
min °C | -12 | -11 | -12 | -13 | -17 | -21 | -19 | -17 | -17 | -12 | -14 | -16 | -18 | -19 | -19 | -8 | -2 | -5 |
-25 | -23 | -24 | -25 | -28 | -30 | -26 | -26 | -27 | -22 | -26 | -27 | -29 | -28 | -26 | -15 | -9 | -13 | |
58 | 54 | 56 | 71 | 95 | 94 | 89 | 96 | 70 | 70 | 87 | 96 | 56 | 68 | 32 | 32 | 29 | 47 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 550 | 0 | 0 | 0 | 0 | 0 | 1300 | 1500 | 900 | |
 | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — |
 | — | 4:49 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:54 | — | — | 4:55 | — |
Next 0-3 days weather summary:
A dusting of new snow. Temperatures will be well below freezing (max -10°C on Wed morning, min -21°C on Thu night). Winds decreasing (gales from the NW on Wed morning, light winds from the WSW by Fri morning).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max 0°C on Mon afternoon, min -19°C on Sun afternoon). Winds decreasing (strong winds from the NW on Sat afternoon, light winds from the WNW by Sun night).
Popular Deer Mountain Pages
Snow Radar
Latest snow reports near Deer Mountain:
Deer Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 20 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
Snow History
Week 3 of January has on average:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
1.8 | Bluebird days Average snow, mostly sunny, light wind. |
Deer Mountain Forecast Snowfall
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Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Deer Mountain at the specific elevation of 1929 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Deer Mountain. 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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