Next 4 days weather summary:Heavy rain (total 48.0mm), heaviest during Sat afternoon. Warm (max 24°C on Mon morning, min 19°C on Fri night). Wind will be generally light. | Days 5-7 weather summary:Moderate rain (total 19.0mm), heaviest on Thu afternoon. Warm (max 23°C on Thu morning, min 15°C on Mon night). Wind will be generally light. | |||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  | |  | |  |  |  | | | |
t-storm risk | t-storm risk | t-storm risk | rain shwrs | t-storm risk | t-storm risk | rain shwrs | some clouds | t-storm risk | clear | some clouds | rain shwrs | mod. rain | light rain | t-storm risk | rain shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 5 | 15 | 2 | 5 | 12 | 2 | — | 2 | — | — | 1 | 6 | 2 | 3 | 2 |
max °C | 20 | 21 | 21 | 20 | 22 | 21 | 20 | 24 | 23 | 18 | 20 | 21 | 18 | 18 | 19 | 19 |
min °C | 19 | 20 | 21 | 19 | 20 | 21 | 19 | 19 | 19 | 15 | 17 | 17 | 17 | 17 | 19 | 17 |
chill °C | 19 | 20 | 21 | 19 | 20 | 21 | 19 | 19 | 19 | 14 | 16 | 17 | 17 | 17 | 19 | 17 |
Humid % | 97 | 91 | 86 | 91 | 82 | 82 | 90 | 91 | 72 | 78 | 68 | 64 | 97 | 96 | 87 | 72 |
Freeze m | 5050 | 4950 | 5000 | 4900 | 4850 | 4900 | 4850 | 4800 | 4800 | 4800 | 4750 | 4900 | 5000 | 4450 | 4500 | 4500 |
 | — | 5:03 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — |
 | — | — | 6:50 | — | — | 6:49 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Isshiki Kokusai:
| 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 Isshiki Kokusai at the specific elevation of 1200 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Isshiki Kokusai. 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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