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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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Mount Jefferson at 218 m altitude
Issued by Snow-Forecast.com at: 1 am (local time) / 22 Jan 2026
Now
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | |  | | | | | | | | |
light snow | some clouds | some clouds | clear | light snow | snow shwrs | clear | some clouds | clear | clear | cloudy | light snow | light snow | light snow | light snow | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 1 | -5 | -9 | -8 | -11 | -20 | -18 | -20 | -20 | -16 | -16 | -14 | -13 | -13 | -13 | -12 | -13 |
min °C | -2 | -1 | -9 | -10 | -8 | -21 | -22 | -18 | -22 | -22 | -16 | -16 | -16 | -13 | -15 | -15 | -12 | -15 |
-6 | -6 | -16 | -18 | -15 | -34 | -35 | -30 | -35 | -32 | -24 | -23 | -24 | -20 | -23 | -24 | -20 | -22 | |
87 | 75 | 77 | 58 | 70 | 69 | 65 | 66 | 81 | 66 | 61 | 77 | 82 | 91 | 90 | 60 | 62 | 83 | |
150 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:58 | — | — | 7:58 | — | — | 7:56 | — | — |
 | — | 5:22 | — | — | 5:23 | — | — | 5:25 | — | — | 5:27 | — | — | 5:29 | — | — | 5:30 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 1°C on Thu afternoon, min -22°C on Sat morning). Winds increasing (light winds from the SW on Thu morning, fresh winds from the WNW by Sat morning).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Mon afternoon. Extremely cold (max -12°C on Tue afternoon, min -22°C on Sun morning). Wind will be generally light.
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Snow Radar
Latest snow reports near Mount Jefferson:
Mount Jefferson Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2.0 cm |
| Last snowfall: | 21 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Maine are reporting: powder (1) / good piste (4)
Snow History
Week 4 of January has on average:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
2.6 | Bluebird days Average snow, mostly sunny, light wind. |
Mount Jefferson Forecast Snowfall
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Other resorts in USA - Maine are reporting: powder (1) / good piste (4)
The above table gives the weather forecast for Mount Jefferson at the specific elevation of 218 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mount Jefferson. 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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