Next 4 days weather summary:Heavy rain (total 47.0mm), heaviest during Thu afternoon. Very mild (max 18°C on Wed afternoon, min 6°C on Fri morning). Wind will be generally light. | Days 5-7 weather summary:Light rain (total 4.0mm), mostly falling on Sun afternoon. Very mild (max 15°C on Mon afternoon, min 6°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  |  |  | | |  | | |  | |
clear | some clouds | some clouds | mod. rain | mod. rain | heavy rain | heavy rain | light rain | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | light rain | rain shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 9 | 9 | 14 | 11 | 4 | — | — | — | — | — | — | 3 | 1 | |
max °C | 14 | 17 | 18 | 12 | 12 | 12 | 11 | 6 | 8 | 7 | 11 | 10 | 8 | 13 | 12 | 10 |
min °C | 11 | 14 | 15 | 11 | 12 | 12 | 7 | 6 | 8 | 6 | 9 | 9 | 7 | 11 | 11 | 10 |
10 | 14 | 15 | 9 | 10 | 10 | 6 | 5 | 8 | 5 | 8 | 8 | 6 | 11 | 11 | 10 | |
71 | 44 | 38 | 93 | 99 | 97 | 98 | 99 | 91 | 90 | 76 | 81 | 89 | 73 | 78 | 86 | |
4150 | 4100 | 4150 | 4250 | 4350 | 4350 | 4000 | 3700 | 3750 | 4100 | 4250 | 3800 | 3800 | 3650 | 3650 | 3600 | |
 | — | 4:37 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — | — | 4:33 | — | — |
 | — | — | 6:47 | — | — | 6:49 | — | — | 6:50 | — | — | 6:51 | — | — | 6:51 | — |
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 1780 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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