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Koumi Riekkusu Ski Valley at 1590 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 27 Dec 2025
Now
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | |  | |  | | |  |  |  | | |
cloudy | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | snow shwrs | clear | some clouds | some clouds | light snow | snow shwrs | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -4 | -5 | -2 | -1 | -3 | 0 | 0 | -1 | 1 | 2 | -1 | -2 | -3 | -7 | -7 | -8 | -9 |
min °C | -9 | -6 | -7 | -5 | -2 | -4 | -3 | -1 | -2 | -1 | 0 | -3 | -3 | -6 | -9 | -8 | -10 | -11 |
-14 | -9 | -12 | -8 | -4 | -9 | -7 | -5 | -7 | -5 | -5 | -10 | -10 | -11 | -16 | -14 | -17 | -19 | |
54 | 42 | 63 | 57 | 36 | 51 | 43 | 33 | 61 | 69 | 57 | 87 | 57 | 37 | 58 | 63 | 58 | 54 | |
250 | 1000 | 200 | 800 | 1450 | 750 | 1150 | 1600 | 1050 | 1400 | 1850 | 1300 | 1200 | 1250 | 500 | 400 | 450 | 0 | |
 | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — |
Next 0-3 days weather summary:
Mostly dry. Temperatures will be below freezing (max 0°C on Mon morning, min -9°C on Sat morning). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 2°C on Tue afternoon, min -11°C on Thu night). Mainly fresh winds.
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Latest snow reports near Koumi Riekkusu Ski Valley:
24 km away from Koumi Riekkusu Ski Valley
20 hours ago
Freezing rain reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine but it is forecast cold enough for snow at the ski area from Kirigamine
24 km away from Koumi Riekkusu Ski Valley
24 hours agoContinuous light snow reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine Ski Resort from Kirigamine
Koumi Riekkusu Ski Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 26 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 4 of December has on average:
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
2.9 | 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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