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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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Alta at 3373 m altitude
Issued by Snow-Forecast.com at: 10 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | | | | | |  |  | | | |
some clouds | some clouds | some clouds | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | cloudy | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | 1 | 5 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -3 | 1 | 0 | -2 | -4 | -5 | -5 | -4 | -4 | -3 | -1 | -4 | -3 | -1 | -1 | -1 | 0 |
min °C | -8 | -5 | -2 | -1 | -3 | -5 | -6 | -6 | -5 | -4 | -3 | -4 | -4 | -4 | -2 | -2 | -1 | -1 |
-17 | -13 | -10 | -9 | -12 | -16 | -16 | -15 | -13 | -13 | -12 | -14 | -12 | -11 | -11 | -12 | -10 | -9 | |
26 | 71 | 48 | 39 | 66 | 97 | 97 | 88 | 97 | 99 | 95 | 97 | 99 | 94 | 47 | 37 | 35 | 37 | |
2250 | 2700 | 3300 | 3300 | 2800 | 2600 | 2450 | 2550 | 2650 | 2750 | 2850 | 2800 | 2750 | 2850 | 3200 | 3200 | 3300 | 3300 | |
 | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:46 | — | — | 7:47 | — | — | 7:47 | — | — |
 | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:01 | — | — | 5:02 | — | — | 5:02 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Fri night. Freeze-thaw conditions (max 1°C on Thu night, min -8°C on Thu morning). Winds increasing (moderate winds from the W on Thu morning, gales from the WSW by Fri night).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Sun night. Temperatures will be below freezing (max 0°C on Tue night, min -4°C on Sun morning). Mainly gales.
Popular Alta Pages
Snow Radar
Latest snow reports near Alta:
Alta Snow Conditions
| Top snow depth: | 74 cm |
|---|---|
| Bottom snow depth: | 50 cm |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Utah are reporting: powder (0) / good piste (1)
Snow History
Week 3 of December has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
2.7 | Bluebird days Average snow, mostly sunny, light wind. |
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Photos of Alta
POW! in Grizzly Gulch by Robert Hortlund
Over 1.5m (5ft) of fresh snow in the last 7 days. by Snow Forecast Admin
Alta in April! by Keith Dezen
Upload new photo Other resorts in USA - Utah are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Alta at the specific elevation of 3373 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Alta. 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 Alta
Overall 3.5 Based on 8 votes and 8 reviews
- Snowsure
- Variety of pistes
- Vote
- Ron B from United States writes:
Alta has the best snow in North America, bar none. There are a few areas that get more on average (e.g. Kirkwood, Mount Baker) but none that has the combination of quantity, quality, and consistency; the latter is key. Alta always seems to get good early season snow, and snowfall continues into May (sometimes June). Hence, you can book a trip from Thankgiving onward with complete confidence. Unlike the 'feast or famine' West Coast, snowfall happens frequently, so you're almost certain to get a couple of powder days if you stay for a week. The high elevation and dry alpine air also ensure superb snow quality. Alta's terrain is not quite as extensive or varied as some destination resorts, but Snowbird is right next door. The combination of the two is close to unbeatable. The only gripe: nightlife in Little Cottonwood Canyon is pretty dead. Even good restaurants are hard to find. However, if you are a serious skier, you are not going to care. You'll be too tired for nightlife. Leave that to the snow bunnies who book in Park City.
Visitor Reviews of Alta
Ron B from United States writes:
Alta has the best snow in North America, bar none. There are a few areas that get more on average (e.g. Kirkwood, Mount Baker) but none that has the combination of quantity, quality, and consistency; the latter is key. Alta always seems to get good early season snow, and snowfall continues into May (sometimes June). Hence, you can book a trip from Thankgiving onward with complete confidence. Unlike the 'feast or famine' West Coast, snowfall happens frequently, so you're almost certain to get a couple of powder days if you stay for a week. The high elevation and dry alpine air also ensure superb snow quality. Alta's terrain is not quite as extensive or varied as some destination resorts, but Snowbird is right next door. The combination of the two is close to unbeatable. The only gripe: nightlife in Little Cottonwood Canyon is pretty dead. Even good restaurants are hard to find. However, if you are a serious skier, you are not going to care. You'll be too tired for nightlife. Leave that to the snow bunnies who book in Park City.
Nearest