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Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: A light covering of new snow, mostly falling on Sun afternoon. Temperatures will be below freezing (max -1°C on Tue morning, min -13°C on Sun night). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the W by Wed morning).
Koumi Riekkusu Ski Valley Weather (Days 4-6): A dusting of new snow. Temperatures will be below freezing (max 0°C on Thu morning, min -7°C on Wed night). Mainly fresh winds.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -13 |  | ||||
| Bottom Lift: | -10 | |
Latest snow reports near Koumi Riekkusu Ski Valley:
Snowing in Karuizawa Snow Park. from Karuizawa Snow Park
Rain and snow or hail reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine Ski Resort from Kirigamine
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
Sun 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  | | | |  |  | | | | | | |
light snow | snow shwrs | clear | clear | clear | some clouds | snow shwrs | snow shwrs | some clouds | clear | some clouds | cloudy | light snow | snow shwrs | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
4 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -12 | -6 | -4 | -6 | -1 | -1 | -5 | -6 | -5 | -5 | 0 | 0 | -1 | 0 | 0 | -2 |
min °C | -11 | -13 | -10 | -5 | -6 | -3 | -4 | -9 | -7 | -6 | -7 | -3 | -2 | -3 | -1 | -1 | -3 |
-22 | -24 | -17 | -11 | -13 | -10 | -13 | -17 | -13 | -12 | -12 | -8 | -8 | -10 | -6 | -5 | -8 | |
79 | 86 | 58 | 50 | 66 | 79 | 73 | 69 | 64 | 53 | 59 | 44 | 40 | 92 | 57 | 47 | 49 | |
350 | 0 | 0 | 1000 | 200 | 1100 | 1400 | 650 | 500 | 900 | 0 | 1000 | 1500 | 1350 | 1400 | 1650 | 850 | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | 4:50 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — | — | 4:54 | — |
A light covering of new snow, mostly falling on Sun afternoon. Temperatures will be below freezing (max -1°C on Tue morning, min -13°C on Sun night). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the W by Wed morning).
A dusting of new snow. Temperatures will be below freezing (max 0°C on Thu morning, min -7°C on Wed night). Mainly fresh winds.
Latest snow reports near Koumi Riekkusu Ski Valley:
Snowing in Karuizawa Snow Park. from Karuizawa Snow Park
Rain and snow or hail reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine Ski Resort from Kirigamine
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
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 10 Jan 2026 |
| Snow Alerts | Create Alert |
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
3.7 | 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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