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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Moonlight Basin at 3124 m altitude
Issued by Snow-Forecast.com at: 4 am (local time) / 17 Dec 2025
Now
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  |  |  |  | | | | | | | |
mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | some clouds | clear | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
6 | 1 | 1 | — | 2 | 4 | — | 1 | 4 | — | — | — | — | — | 2 | 2 | 2 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -13 | -14 | -13 | -11 | -6 | -6 | -5 | -8 | -15 | -13 | -8 | -7 | -8 | -5 | -5 | -5 | -6 |
min °C | -6 | -15 | -15 | -13 | -13 | -9 | -6 | -6 | -15 | -15 | -14 | -12 | -8 | -8 | -8 | -5 | -6 | -8 |
-16 | -32 | -31 | -21 | -23 | -20 | -16 | -16 | -27 | -27 | -24 | -22 | -17 | -17 | -17 | -15 | -16 | -18 | |
89 | 86 | 92 | 73 | 91 | 97 | 90 | 84 | 64 | 73 | 55 | 41 | 90 | 95 | 97 | 98 | 98 | 79 | |
2350 | 900 | 800 | 1000 | 1100 | 1650 | 2250 | 2350 | 0 | 1000 | 300 | 700 | 1700 | 1650 | 2050 | 2300 | 2250 | 1750 | |
 | 7:56 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — | — | 4:45 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -5°C on Wed morning, min -15°C on Wed afternoon). Winds decreasing (extremely windy from the W on Wed afternoon, light winds from the WSW by Thu morning).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Mon morning. Temperatures will be below freezing (max -5°C on Sun night, min -15°C on Sat morning). Winds increasing (moderate winds from the WSW on Sat afternoon, near gales from the SW by Mon morning).
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Snow Radar
Latest snow reports near Moonlight Basin:
Moonlight Basin Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 12 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Montana are reporting: powder (0) / good piste (1)
Snow History
Week 3 of December has on average:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
1.2 | Bluebird days Average snow, mostly sunny, light wind. |
Moonlight Basin Forecast Snowfall
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Other resorts in USA - Montana are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Moonlight Basin at the specific elevation of 3124 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Moonlight Basin. 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 Moonlight Basin
- CASA Tours from United States writes:
Moonlight Basin has some of the best in-bounds terrain in the United States. The Headwaters Traverse - aka the Lord of the Rings Traverse - accesses a plethora of steep, interesting terrain. The traverse alone gets the adrenalin juices flowing. The Spring Run-Off Challenge is one of the few big mountain free ride competitions in SW Montana. With a Lone Peak Pass skiers and snowboarders can ride both Big Sky and Moonlight, which means access to the North Summit Snowfield, one of the longest runs in North America, over 4000 vertical feet. Moonlight's patrol does an amazing job in getting their terrain open and really encourages folks to get after it. Moonlight is also an ideal place for families and beginners. With little to no crowds ever, Moonlight has lots of space to cruise. The only downside are some flat sections on the lower mountain. If you are looking to bang out laps the Headwaters chair and the Lone Tree Lift allow one to rack up vertical quickly. Moonlight has a cool local scene and offers a cheaper alternative to neighboring Big Sky. For apres the Moonlight Lodge is a classy place where you can still get a PBR and plate of Nachos on a dirtbag budget.
Visitor Reviews of Moonlight Basin
CASA Tours from United States writes:
Moonlight Basin has some of the best in-bounds terrain in the United States. The Headwaters Traverse - aka the Lord of the Rings Traverse - accesses a plethora of steep, interesting terrain. The traverse alone gets the adrenalin juices flowing. The Spring Run-Off Challenge is one of the few big mountain free ride competitions in SW Montana. With a Lone Peak Pass skiers and snowboarders can ride both Big Sky and Moonlight, which means access to the North Summit Snowfield, one of the longest runs in North America, over 4000 vertical feet. Moonlight's patrol does an amazing job in getting their terrain open and really encourages folks to get after it.
Moonlight is also an ideal place for families and beginners. With little to no crowds ever, Moonlight has lots of space to cruise. The only downside are some flat sections on the lower mountain.
If you are looking to bang out laps the Headwaters chair and the Lone Tree Lift allow one to rack up vertical quickly.
Moonlight has a cool local scene and offers a cheaper alternative to neighboring Big Sky. For apres the Moonlight Lodge is a classy place where you can still get a PBR and plate of Nachos on a dirtbag budget.
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