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Japan Christmas Snow Roundup #294
Weekly Snow News for Japan, updated 24 December 2025: Siberian cold continues to deliver exceptional snowfall, with Hokkaido leading global totals.
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Mammoth Mountain at 3369 m altitude
Issued by Snow-Forecast.com at: 9 pm (local time) / 24 Dec 2025
Now
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  | |  | | | | | | | |
heavy snow | heavy snow | mod. snow | heavy snow | heavy snow | snow shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
16 | 28 | 8 | 18 | 13 | 3 | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -9 | -8 | -7 | -9 | -11 | -11 | -10 | -10 | -4 | -4 | -2 | 1 | 2 | 3 | 5 |
min °C | -9 | -9 | -8 | -8 | -9 | -12 | -12 | -11 | -10 | -8 | -4 | -3 | -1 | 1 | 3 | 4 |
-20 | -19 | -20 | -20 | -19 | -21 | -19 | -15 | -16 | -15 | -8 | -7 | -5 | -3 | 1 | 3 | |
87 | 96 | 86 | 96 | 87 | 82 | 76 | 48 | 61 | 10 | 14 | 18 | 22 | 16 | 13 | 13 | |
2200 | 2000 | 2200 | 2200 | 2050 | 1800 | 850 | 1850 | 1700 | 900 | 2650 | 2650 | 1550 | 3550 | 3800 | 3950 | |
 | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | — | 4:43 | — | — | 4:43 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Thu morning. Temperatures will be well below freezing (max -7°C on Wed night, min -12°C on Fri afternoon). Winds decreasing (severe gales from the SSW on Thu night, calm by Fri night).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 6°C on Tue morning, min -8°C on Sat night). Wind will be generally light.
Popular Mammoth Mountain Pages
Snow Radar
Latest snow reports near Mammoth Mountain:
Mammoth Mountain Snow Conditions
| Top snow depth: | 127 cm |
|---|---|
| Bottom snow depth: | 41 cm |
| Fresh snowfall depth: | 57 cm |
| Last snowfall: | 23 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - California are reporting: powder (5) / good piste (5)
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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 (5) / good piste (5)
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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