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Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: Mostly dry. Freeze-thaw conditions (max 1°C on Tue afternoon, min -5°C on Mon night). Wind will be generally light.
Koumi Riekkusu Ski Valley Weather (Days 4-6): Light rain (total 3.0mm), mostly falling on Sat night. Freeze-thaw conditions (max 6°C on Fri afternoon, min -3°C on Thu morning). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Bottom Lift: | -4 | |
Latest snow reports near Koumi Riekkusu Ski Valley:
Moderate 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
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
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | | | | | | | | | | |  | |
some clouds | clear | clear | clear | clear | clear | cloudy | some clouds | snow shwrs | clear | clear | clear | clear | clear | clear | some clouds | some clouds | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
max °C | -3 | -3 | -5 | 0 | 1 | -2 | 1 | 1 | -2 | 0 | 1 | 1 | 5 | 6 | 6 | 6 | 6 | 6 |
min °C | -4 | -4 | -5 | -3 | -1 | -2 | -1 | -1 | -4 | -3 | 0 | -1 | 2 | 5 | 5 | 6 | 6 | 6 |
-10 | -9 | -9 | -6 | -5 | -6 | -5 | -4 | -9 | -6 | -2 | -5 | 0 | 3 | 2 | 3 | 3 | 3 | |
65 | 51 | 75 | 36 | 35 | 72 | 66 | 66 | 95 | 74 | 45 | 65 | 19 | 28 | 21 | 23 | 37 | 93 | |
1100 | 1200 | 600 | 1050 | 1700 | 1150 | 1400 | 1800 | 1100 | 1050 | 1800 | 1400 | 2300 | 2700 | 2800 | 2700 | 2650 | 2750 | |
 | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:34 | — |
Mostly dry. Freeze-thaw conditions (max 1°C on Tue afternoon, min -5°C on Mon night). Wind will be generally light.
Light rain (total 3.0mm), mostly falling on Sat night. Freeze-thaw conditions (max 6°C on Fri afternoon, min -3°C on Thu morning). Wind will be generally light.
Latest snow reports near Koumi Riekkusu Ski Valley:
Moderate 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
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
| 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. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
3.0 | 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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