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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 2424 m altitude
Issued by Snow-Forecast.com at: 9 am (local time) / 19 Feb 2026
Mammoth Mountain Weather
(Next 3 days):
Mammoth Mountain Weather (Days 4-6):
Heavy rain (total 58.0mm), heaviest during Mon night. Freeze-thaw conditions (max 5°C on Mon morning, min -4°C on Sun afternoon). Winds increasing (light winds from the SSW on Sun afternoon, fresh 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 | |
 |  |  |  | |  | |  |  | | | | | |  |  | |  | |
heavy snow | snow shwrs | snow shwrs | some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | clear | some clouds | some clouds | clear | light snow | heavy rain | heavy rain | mod. rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
12 | 8 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 23 | 15 | 12 | 8 | |
max °C | -6 | -8 | -15 | -3 | -3 | -10 | 0 | 0 | -7 | 2 | 2 | -2 | 5 | 3 | 2 | 2 | 2 | 2 |
min °C | -6 | -13 | -16 | -6 | -8 | -12 | -1 | -6 | -7 | 1 | -4 | -4 | 4 | -2 | -2 | 2 | 1 | 1 |
-14 | -20 | -22 | -6 | -8 | -17 | -4 | -11 | -13 | -3 | -8 | -8 | 2 | -7 | -8 | -3 | -3 | -3 | |
90 | 85 | 86 | 53 | 75 | 38 | 44 | 71 | 51 | 62 | 61 | 36 | 47 | 49 | 97 | 98 | 97 | 98 | |
1450 | 1150 | 0 | 1550 | 2000 | 700 | 2300 | 2400 | 1450 | 2600 | 2950 | 3300 | 3600 | 3350 | 3100 | 3000 | 2850 | 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 heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max 0°C on Sat morning, min -16°C on Thu night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Thu night).
Next 4-6 days weather summary:
Heavy rain (total 58.0mm), heaviest during Mon night. Freeze-thaw conditions (max 5°C on Mon morning, min -4°C on Sun afternoon). Winds increasing (light winds from the SSW on Sun afternoon, fresh winds from the SW by Mon night).
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Latest snow reports near Mammoth Mountain:
- 43 hours ago
Snowing at a moderate rate in Mammoth Mountain. from Mammoth Mountain
Mammoth Mountain Snow Conditions
| Top snow depth: | 269 cm |
|---|---|
| Bottom snow depth: | 152 cm |
| Fresh snowfall depth: | 84 cm |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - California are reporting: powder (7) / good piste (8)
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Snow History
Week 3 of February has on average:
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
0.8 | 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 (7) / good piste (8)
The above table gives the weather forecast for Mammoth Mountain at the specific elevation of 2424 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
- James Paris from United States writes:
Mammoth is a mountain of extremes, both good and bad. It covers a huge area with multiple exposures, but the terrain basically breaks down into mostly super-steep snowfields above mid station and easy, rolling tree lined trails below midstation. Consequently, most runs fall in the 1200-1300 vertical foot range. It gets lots of snow in big dumps, but the fresh stuff gets skied out quickly because there are so many people on the hill and so many high capacity lifts. Another negative is the powerful SoCal sun and proximity to the desert, which softens the snow surface quicker than the resorts in Colorado, Utah and even Tahoe. As a result, a groomed piste gets skied up quickly and the snow surface can get choppy by early afternoon. However, the snow on the upper mountain is protected from the sun and it usually is colder and drier up there…so the steep runs off the gondola almost always have great snow. The mountain hasn’t expanded since the 1980’s but nearly all the double chairs have been replaced with fast quads. Lines are not a problem but crowded slopes are very much a problem on weekends. On-mountain dining is sub-par for a destination resort. Best option is to ski over to the Mammoth Mountain Inn. Lodging in town is mostly mediocre motels. There is a high-end Westin that’s nice, but has commensurately high prices. I am a fan of the 1950’s era Mammoth Mountain Inn, which is slopeside and offers decent prices. Bottom line: Mammoth has some of the best steep snowfields in the country. But it’s still an LA weekend escape resort. There are better choices if you are l traveling cross country looking for a destination resort.
Visitor Reviews of Mammoth Mountain
James Paris from United States writes:
Mammoth is a mountain of extremes, both good and bad. It covers a huge area with multiple exposures, but the terrain basically breaks down into mostly super-steep snowfields above mid station and easy, rolling tree lined trails below midstation. Consequently, most runs fall in the 1200-1300 vertical foot range.
It gets lots of snow in big dumps, but the fresh stuff gets skied out quickly because there are so many people on the hill and so many high capacity lifts. Another negative is the powerful SoCal sun and proximity to the desert, which softens the snow surface quicker than the resorts in Colorado, Utah and even Tahoe. As a result, a groomed piste gets skied up quickly and the snow surface can get choppy by early afternoon. However, the snow on the upper mountain is protected from the sun and it usually is colder and drier up there…so the steep runs off the gondola almost always have great snow.
The mountain hasn’t expanded since the 1980’s but nearly all the double chairs have been replaced with fast quads. Lines are not a problem but crowded slopes are very much a problem on weekends. On-mountain dining is sub-par for a destination resort. Best option is to ski over to the Mammoth Mountain Inn.
Lodging in town is mostly mediocre motels. There is a high-end Westin that’s nice, but has commensurately high prices. I am a fan of the 1950’s era Mammoth Mountain Inn, which is slopeside and offers decent prices.
Bottom line: Mammoth has some of the best steep snowfields in the country. But it’s still an LA weekend escape resort. There are better choices if you are l traveling cross country looking for a destination resort.
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