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Japan New Year's Eve Snow Roundup #295
Weekly Snow News for Japan, updated 31 December 2025: classic mid-winter conditions bring frequent snowfall to Honshu and Hokkaido.
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Mammoth Mountain at 3369 m altitude
Issued by Snow-Forecast.com at: 9 am (local time) / 31 Dec 2025
Now
Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | |  |  | | | | | | |
cloudy | light snow | mod. snow | mod. snow | snow shwrs | clear | clear | clear | snow shwrs | snow shwrs | mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | light snow | mod. snow | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 1 | 6 | 9 | 2 | — | — | — | — | 4 | 9 | 13 | 11 | 15 | 29 | 3 | 7 | 20 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | -1 | -2 | -3 | -7 | -2 | -1 | -3 | -3 | -5 | -5 | -5 | -5 | -5 | -6 | -8 | -8 | -8 |
min °C | 0 | -1 | -3 | -5 | -7 | -7 | -2 | -3 | -5 | -5 | -6 | -6 | -5 | -5 | -9 | -9 | -8 | -8 |
-2 | -4 | -8 | -12 | -16 | -14 | -8 | -10 | -13 | -15 | -16 | -15 | -15 | -15 | -19 | -19 | -16 | -17 | |
83 | 87 | 100 | 98 | 85 | 54 | 39 | 43 | 24 | 82 | 93 | 97 | 97 | 97 | 94 | 88 | 96 | 97 | |
3550 | 3150 | 3000 | 2850 | 2250 | 1450 | 3200 | 2850 | 2850 | 2650 | 2500 | 2550 | 2550 | 2550 | 2300 | 2100 | 2150 | 2150 | |
 | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | 4:46 | — | — | 4:47 | — | — | 4:49 | — | — | 4:50 | — | — | 4:50 | — | — | 4:51 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 1°C on Wed morning, min -7°C on Thu afternoon). Winds increasing (light winds from the ESE on Wed morning, fresh winds from the SSW by Fri night).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -5°C on Sat morning, min -9°C on Sun night). Winds decreasing (near gales from the SSW on Sun afternoon, light winds from the SSW by Mon night).
Popular Mammoth Mountain Pages
Snow Radar
Latest snow reports near Mammoth Mountain:
Mammoth Mountain Snow Conditions
| Top snow depth: | 178 cm |
|---|---|
| Bottom snow depth: | 112 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 26 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - California are reporting: powder (0) / good piste (2)
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Snow History
Week 4 of December has on average:
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
2.9 | Bluebird days Average snow, mostly sunny, light wind. |
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Mammoth Mountain Forecast Snowfall
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Photos of Mammoth Mountain
Mammoth Mountain Inn by mattmiller
deep pack by socalboarder
Mammoth Mountain CA by mattmiller
Upload new photo Other resorts in USA - California are reporting: powder (0) / good piste (2)
The above table gives the weather forecast for Mammoth Mountain at the specific elevation of 3369 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mammoth 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.
Visitor Reviews of Mammoth Mountain
Overall 3.9 Based on 21 votes and 13 reviews
- Snowsure
- Variety of pistes
- Vote
- ryan miller from United States writes:
Mammoth is the best of the big American ski resorts. It almost always has the most snow and it doesn't rain there like Tahoe and has the most lifts and skiable acres and some of the hairiest runs. I've been to Steamboat, Jackson Hole, Kikwood, Heavenly, Alpine Meadows, Mt Bachelor, Alta, Snowbird, Brian Head, Snow Basin, Mt Ashland, Mt Baldy, Snow Summit, Snow Valley, Mt High, Snowbowl, Purgatory, Arapahoe Basin. June Mtn is my second favorite and Brian Head and Snow Bowl and Steamboat then Alta and Bachelor.
Visitor Reviews of Mammoth Mountain
ryan miller from United States writes:
Mammoth is the best of the big American ski resorts. It almost always has the most snow and it doesn't rain there like Tahoe and has the most lifts and skiable acres and some of the hairiest runs. I've been to Steamboat, Jackson Hole, Kikwood, Heavenly, Alpine Meadows, Mt Bachelor, Alta, Snowbird, Brian Head, Snow Basin, Mt Ashland, Mt Baldy, Snow Summit, Snow Valley, Mt High, Snowbowl, Purgatory, Arapahoe Basin. June Mtn is my second favorite and Brian Head and Snow Bowl and Steamboat then Alta and Bachelor.
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