Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: Moderate rain (total 13.0mm), heaviest on Sat night. Freeze-thaw conditions (max 12°C on Sun morning, min -1°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the S by Sat morning).
Koumi Riekkusu Ski Valley Weather (Days 4-6): Light rain (total 8.0mm), mostly falling on Mon afternoon. Freeze-thaw conditions (max 12°C on Mon morning, min -3°C on Tue night). Winds increasing (light winds from the WSW on Sun night, fresh winds from the WSW by Tue afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Bottom Lift: | 0 | |
Thu 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  |  |  | | |  | |  | | | | |
snow shwrs | clear | clear | clear | some clouds | light rain | mod. rain | mod. rain | cloudy | light rain | some clouds | some clouds | light rain | rain shwrs | some clouds | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 1 | 6 | 6 | — | 1 | — | — | 3 | 4 | — | — | — | |
max °C | 1 | 0 | 6 | 8 | 4 | 3 | 4 | 8 | 12 | 11 | 8 | 12 | 10 | 6 | 9 | 8 | -1 |
min °C | 1 | -1 | 3 | 6 | 2 | 3 | 3 | 6 | 9 | 9 | 7 | 9 | 6 | 5 | 8 | 3 | -3 |
-4 | -5 | 2 | 5 | -2 | -1 | -2 | 2 | 8 | 7 | 5 | 8 | 4 | 3 | 6 | -1 | -8 | |
83 | 73 | 46 | 34 | 88 | 77 | 94 | 96 | 70 | 52 | 56 | 32 | 50 | 90 | 60 | 43 | 57 | |
1700 | 1450 | 2000 | 2400 | 2900 | 2300 | 2350 | 3150 | 3600 | 3250 | 3400 | 3400 | 2750 | 3100 | 2800 | 2450 | 1200 | |
 | — | — | 5:30 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — |
 | 6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — |
Moderate rain (total 13.0mm), heaviest on Sat night. Freeze-thaw conditions (max 12°C on Sun morning, min -1°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the S by Sat morning).
Light rain (total 8.0mm), mostly falling on Mon afternoon. Freeze-thaw conditions (max 12°C on Mon morning, min -3°C on Tue night). Winds increasing (light winds from the WSW on Sun night, fresh winds from the WSW by Tue afternoon).
Latest snow reports near Koumi Riekkusu Ski Valley:
Light rain reported from Karuizawa at 1018 metres elevation 7 kms N of Saku Ski Garden Parada but it is forecast cold enough for snow at the ski area from Saku Ski Garden Parada
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 26 Mar 2026 |
| Snow Alerts | Create Alert |
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest