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Koumi Riekkusu Ski Valley at 1590 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 04 Apr 2026
Koumi Riekkusu Ski Valley Weather
(Next 3 days):
Koumi Riekkusu Ski Valley Weather (Days 4-6):
Light rain (total 5.0mm), mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Thu afternoon, min -4°C on Tue night). Wind will be generally light.Koumi Riekkusu Ski Valley Weather (Days 7-16):
Now
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  |  | |  | | |  | |
rain shwrs | some clouds | light rain | rain shwrs | some clouds | rain shwrs | cloudy | light rain | light snow | snow shwrs | clear | clear | some clouds | some clouds | some clouds | light rain | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
14 | — | 2 | 1 | — | 1 | — | 1 | 3 | — | — | — | — | — | — | 2 | |
max °C | 8 | 12 | 11 | 8 | 12 | 12 | 7 | 6 | 3 | -2 | 4 | 7 | 3 | 8 | 9 | 5 |
min °C | 5 | 10 | 10 | 6 | 8 | 9 | 6 | 6 | 0 | -4 | 0 | 5 | 1 | 5 | 6 | 5 |
2 | 9 | 9 | 4 | 7 | 7 | 3 | 3 | -4 | -9 | -3 | 5 | -3 | 2 | 4 | 3 | |
96 | 80 | 65 | 77 | 51 | 38 | 60 | 76 | 97 | 81 | 45 | 30 | 86 | 62 | 61 | 87 | |
3500 | 3450 | 3050 | 3000 | 3100 | 3000 | 2800 | 2600 | 2250 | 1000 | 1650 | 2450 | 2650 | 3150 | 3100 | 3200 | |
 | — | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — |
 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — |
Next 0-3 days weather summary:
Heavy rain (total 22.0mm), heaviest during Sat night. Freeze-thaw conditions (max 12°C on Sun morning, min 0°C on Tue afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 5.0mm), mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Thu afternoon, min -4°C on Tue night). 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: | 26 Mar 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
Snow History
Week 1 of April has on average:
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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 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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