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Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: A dusting of snow turning to light rain (total 3.0mm) on Sun morning. Freeze-thaw conditions (max 2°C on Sun morning, min -5°C on Sun night). Winds decreasing (fresh winds from the W on Sun night, light winds from the W by Mon night).
Koumi Riekkusu Ski Valley Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min -5°C on Wed night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 1 |  | ||||
| Bottom Lift: | 2 |  |
Latest snow reports near Koumi Riekkusu Ski Valley:
Continuous light 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
Intermittent moderate 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
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  |  | | | | |  |  | | | | | | | |
light snow | snow shwrs | snow shwrs | some clouds | clear | clear | some clouds | clear | clear | some clouds | cloudy | light snow | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 1 | -4 | -3 | -3 | -4 | 0 | 1 | -1 | 1 | 2 | -2 | -1 | 1 | 0 | 3 | 4 | 4 |
min °C | 2 | -3 | -5 | -4 | -4 | -5 | -3 | 0 | -2 | -1 | -1 | -5 | -4 | 0 | -1 | 1 | 4 | 3 |
-1 | -10 | -12 | -10 | -9 | -10 | -6 | -4 | -7 | -5 | -4 | -10 | -7 | -2 | -5 | -2 | 2 | 0 | |
98 | 76 | 73 | 66 | 50 | 72 | 35 | 32 | 69 | 71 | 64 | 97 | 75 | 48 | 76 | 40 | 34 | 49 | |
2300 | 1800 | 900 | 1100 | 1200 | 550 | 1100 | 1750 | 1250 | 1350 | 1850 | 1050 | 950 | 1700 | 1250 | 1850 | 2600 | 2700 | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — |
A dusting of snow turning to light rain (total 3.0mm) on Sun morning. Freeze-thaw conditions (max 2°C on Sun morning, min -5°C on Sun night). Winds decreasing (fresh winds from the W on Sun night, light winds from the W by Mon night).
Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min -5°C on Wed night). Wind will be generally light.
Latest snow reports near Koumi Riekkusu Ski Valley:
Continuous light 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
Intermittent moderate 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
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1.0 cm |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
1.8 | Bluebird days Average snow, mostly sunny, light wind. |
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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