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North America Weekly Snow Roundup #291
Weekly Snow News for North America, updated December 3, 2025: Season start remains challenging with light snowfall across the west; East Coast leads with deeper bases.
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Koumi Riekkusu Ski Valley at 1400 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 03 Dec 2025
Now
Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  | | | | | | |  | |
snow shwrs | snow shwrs | clear | clear | clear | snow shwrs | clear | clear | some clouds | clear | clear | clear | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -3 | -2 | -6 | -1 | -2 | -6 | 2 | 2 | -2 | 5 | 5 | 0 | 6 | 5 | -1 |
min °C | -7 | -6 | -5 | -6 | -3 | -5 | -6 | -1 | -2 | -3 | 2 | 0 | -1 | 3 | 1 | -3 |
-16 | -12 | -9 | -10 | -8 | -9 | -10 | -4 | -6 | -7 | -1 | -4 | -4 | 1 | -2 | -7 | |
67 | 47 | 30 | 54 | 70 | 76 | 78 | 29 | 43 | 49 | 35 | 47 | 63 | 47 | 51 | 87 | |
400 | 450 | 1000 | 500 | 900 | 1000 | 500 | 1150 | 1800 | 1450 | 1800 | 2100 | 1950 | 2100 | 2200 | 1300 | |
 | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -7°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the WSW by Fri night).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 6°C on Mon morning, min -4°C on Tue afternoon). Wind will be generally light.
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Snow Radar
Latest snow reports near Koumi Riekkusu Ski Valley:
Koumi Riekkusu Ski Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 25 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
Snow History
Week 1 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Koumi Riekkusu Ski Valley Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Koumi Riekkusu Ski Valley at the specific elevation of 1400 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Koumi Riekkusu Ski Valley. 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 Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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