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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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Ski Roundtop at 413 m altitude
Issued by Snow-Forecast.com at: 6 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 | |
 | |  |  | |  |  | |  | | | |  | | | | | | |
cloudy | cloudy | some clouds | some clouds | cloudy | heavy rain | rain shwrs | some clouds | clear | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 16 | 3 | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 6 | 2 | 7 | 7 | 12 | 4 | -3 | -4 | 0 | 2 | 3 | 4 | 3 | -1 | -3 | -2 | -5 |
min °C | 3 | 3 | 0 | 2 | 6 | 7 | 2 | -5 | -5 | -2 | 1 | 0 | 3 | 0 | -6 | -5 | -4 | -5 |
-2 | -1 | -4 | -2 | 2 | 2 | -5 | -14 | -14 | -6 | -4 | -5 | -2 | -6 | -14 | -14 | -11 | -11 | |
75 | 61 | 70 | 75 | 86 | 90 | 79 | 70 | 54 | 48 | 37 | 57 | 56 | 43 | 59 | 51 | 45 | 54 | |
3150 | 2650 | 2550 | 2750 | 2950 | 2800 | 1050 | 0 | 0 | 0 | 1950 | 2100 | 1150 | 900 | 250 | 0 | 0 | 0 | |
 | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — |
 | — | 4:43 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — |
Next 0-3 days weather summary:
Moderate rain (total 19.0mm), heaviest on Thu night. Freeze-thaw conditions (max 12°C on Thu night, min -5°C on Fri afternoon). Winds increasing (calm on Wed night, strong winds from the S by Thu night).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 4°C on Sun morning, min -6°C on Sun night). Winds decreasing (fresh winds from the NW on Sun night, calm by Mon night).
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Snow Radar
Latest snow reports near Ski Roundtop:
Ski Roundtop Snow Conditions
| Top snow depth: | 61 cm |
|---|---|
| Bottom snow depth: | 61 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Pennsylvania are reporting: powder (0) / good piste (1)
Snow History
Week 3 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Ski Roundtop Forecast Snowfall
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Other resorts in USA - Pennsylvania are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Ski Roundtop at the specific elevation of 413 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Ski Roundtop. 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 Ski Roundtop
Overall 2.4 Based on 2 votes and 3 reviews
- Snowsure
- Variety of pistes
- Vote
- Cindy Knittle from United States writes:
I have taught snowboarding at SRT and been a customer for many years. They have excellent snowmaking capability and great customer service.
Visitor Reviews of Ski Roundtop
Cindy Knittle from United States writes:
I have taught snowboarding at SRT and been a customer for many years. They have excellent snowmaking capability and great customer service.
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