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Koumi Riekkusu Ski Valley at 1590 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 08 Jan 2026
Now
Thu 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  | | | | | | | | | | |
snow shwrs | clear | clear | clear | some clouds | clear | clear | snow shwrs | snow shwrs | snow shwrs | snow shwrs | clear | clear | some clouds | snow shwrs | snow shwrs | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
1 | — | — | — | — | — | — | 1 | — | 1 | 2 | — | — | — | — | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -10 | -5 | -3 | -4 | 1 | 1 | -1 | -7 | -9 | -11 | -8 | -6 | -7 | -1 | -2 | -8 |
min °C | -9 | -11 | -9 | -4 | -5 | -3 | -1 | -6 | -8 | -11 | -12 | -10 | -7 | -8 | -3 | -5 | -10 |
-16 | -18 | -13 | -7 | -9 | -9 | -8 | -15 | -18 | -21 | -23 | -19 | -13 | -14 | -11 | -14 | -20 | |
58 | 55 | 45 | 28 | 59 | 23 | 27 | 84 | 64 | 70 | 80 | 52 | 47 | 62 | 66 | 83 | 67 | |
750 | 0 | 250 | 1150 | 550 | 1100 | 1800 | 1450 | 650 | 400 | 0 | 0 | 700 | 0 | 1100 | 1350 | 150 | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | 4:47 | — | — | 4:49 | — | — | 4:50 | — | — | 4:50 | — | — | 4:51 | — | — | 4:52 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat morning, min -11°C on Thu night). Winds increasing (light winds from the W on Fri morning, strong winds from the SW by Sat night).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -1°C on Tue morning, min -12°C on Sun night). Winds decreasing (strong winds from the W on Sun afternoon, light winds from the W by Mon afternoon).
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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: | 5 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of January has on average:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
3.7 | 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 (2) / good piste (2)
The above table gives the weather forecast for Koumi Riekkusu Ski Valley at the specific elevation of 1590 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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