Next 3 days weather summary:Light rain (total 8.0mm), mostly falling on Sun morning. Warm (max 26°C on Tue morning, min 17°C on Sun night). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 41.0mm), heaviest during Fri afternoon. Warm (max 27°C on Wed morning, min 18°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  |  |  | | | | | | | | | | |
t-storm risk | t-storm risk | light rain | cloudy | light rain | some clouds | some clouds | rain shwrs | rain shwrs | some clouds | t-storm risk | rain shwrs | some clouds | t-storm risk | rain shwrs | t-storm risk | t-storm risk | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 2 | 1 | — | 1 | — | — | 1 | 1 | — | 4 | 1 | — | 4 | 10 | 6 | 11 | 5 |
max °C | 23 | 22 | 18 | 21 | 19 | 18 | 26 | 26 | 19 | 27 | 25 | 20 | 27 | 23 | 20 | 22 | 21 | 18 |
min °C | 22 | 20 | 17 | 18 | 19 | 17 | 22 | 22 | 17 | 23 | 21 | 18 | 24 | 22 | 18 | 20 | 20 | 18 |
chill °C | 22 | 20 | 17 | 18 | 19 | 17 | 22 | 22 | 17 | 23 | 21 | 18 | 24 | 22 | 18 | 20 | 20 | 18 |
Humid % | 68 | 58 | 75 | 84 | 84 | 87 | 65 | 48 | 78 | 73 | 56 | 90 | 57 | 65 | 96 | 95 | 85 | 99 |
Freeze m | 5100 | 5150 | 5050 | 5100 | 5200 | 5150 | 5250 | 5200 | 5250 | 5450 | 5400 | 5600 | 5500 | 5400 | 5400 | 5300 | 5450 | 5400 |
 | 4:37 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:41 | — | — | 4:41 | — | — |
 | — | 7:04 | — | — | 7:04 | — | — | 7:04 | — | — | 7:02 | — | — | 7:02 | — | — | 7:01 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Koumi Riekkusu Ski Valley:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | 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 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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