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Koumi Riekkusu Ski Valley at 1400 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 12 Dec 2025
Now
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | | | |  | |  | |  | | |
snow shwrs | snow shwrs | cloudy | some clouds | some clouds | light snow | mod. snow | snow shwrs | clear | some clouds | some clouds | clear | clear | clear | some clouds | clear | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 1 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -4 | -7 | 0 | 1 | -1 | 2 | 1 | -3 | -2 | -2 | -6 | 2 | 2 | -2 | 3 | 1 | -4 |
min °C | -5 | -8 | -9 | -4 | -3 | -2 | 0 | -2 | -7 | -4 | -6 | -7 | -2 | -2 | -2 | 1 | -2 | -6 |
-10 | -14 | -15 | -7 | -8 | -7 | 0 | -8 | -13 | -9 | -10 | -10 | -5 | -6 | -7 | -3 | -6 | -11 | |
78 | 65 | 83 | 44 | 40 | 90 | 99 | 91 | 69 | 63 | 57 | 55 | 51 | 68 | 65 | 78 | 92 | 96 | |
650 | 750 | 0 | 700 | 1500 | 1300 | 1650 | 1550 | 800 | 800 | 1100 | 400 | 1100 | 1750 | 1550 | 1550 | 1500 | 650 | |
 | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Sun morning. Freeze-thaw conditions (max 2°C on Sun morning, min -9°C on Fri night). Mainly fresh winds.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 3°C on Wed morning, min -7°C on Mon night). Wind will be generally light.
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Latest snow reports near Koumi Riekkusu Ski Valley:
24 km away from Koumi Riekkusu Ski Valley
15 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
18 hours agoModerate to heavy 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
Koumi Riekkusu Ski Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 11 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 2 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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 (3) / good piste (3)
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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