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Japan Weekly Roundup #302
Weekly Snow News for Japan, updated 19 February 2026: Honshu and Hokkaido remain in excellent midwinter shape with regular snowfall and deep bases.
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Mammoth Mountain at 3369 m altitude
Issued by Snow-Forecast.com at: 3 am (local time) / 19 Feb 2026
Mammoth Mountain Weather
(Next 3 days):
Mammoth Mountain Weather (Days 4-6):
A heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 1°C on Mon morning, min -4°C on Sun morning). Winds increasing (light winds from the SW on Sun night, strong winds from the SW by Mon night).Mammoth Mountain Weather (Days 7-16):
Now
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | | | | | | | |  |  |  |  | |
snow shwrs | snow shwrs | clear | some clouds | cloudy | some clouds | clear | clear | clear | some clouds | clear | some clouds | clear | snow shwrs | heavy snow | mod. snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
8 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 14 | 6 | 5 | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -13 | -15 | -14 | -10 | -10 | -8 | -6 | -6 | -5 | -3 | -1 | 0 | 1 | 0 | -1 | -2 | -2 | -2 |
min °C | -14 | -17 | -17 | -12 | -10 | -8 | -7 | -6 | -6 | -4 | -2 | -1 | 1 | -4 | -2 | -2 | -2 | -3 |
-27 | -26 | -26 | -16 | -14 | -12 | -14 | -13 | -14 | -11 | -8 | -6 | -4 | -12 | -11 | -10 | -8 | -9 | |
84 | 81 | 71 | 50 | 82 | 18 | 50 | 67 | 45 | 45 | 34 | 27 | 20 | 32 | 98 | 95 | 98 | 96 | |
1450 | 1150 | 0 | 1550 | 1950 | 650 | 2250 | 2400 | 1450 | 2650 | 3000 | 3150 | 3500 | 3350 | 3100 | 2900 | 2950 | 2950 | |
 | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — |
 | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -5°C on Sat night, min -17°C on Thu afternoon). Winds decreasing (strong winds from the WSW on Thu morning, light winds from the WSW by Fri afternoon).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 1°C on Mon morning, min -4°C on Sun morning). Winds increasing (light winds from the SW on Sun night, strong winds from the SW by Mon night).
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Latest snow reports near Mammoth Mountain:
- 38 hours ago
Snowing at a moderate rate in Mammoth Mountain. from Mammoth Mountain
- 45 hours ago
There is heavy snow falling at Mammoth Mountain. from Mammoth Mountain
Mammoth Mountain Snow Conditions
| Top snow depth: | 295 cm |
|---|---|
| Bottom snow depth: | 178 cm |
| Fresh snowfall depth: | 18 cm |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - California are reporting: powder (13) / good piste (13)
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Snow History
Week 3 of February has on average:
0.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.1 | Powder days Fresh snow, limited sun, any wind. |
3.6 | 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 (13) / good piste (13)
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 31 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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