Next 4 days weather summary:Heavy rain (total 42.0mm), heaviest during Mon afternoon. Very mild (max 16°C on Sun morning, min 12°C on Tue afternoon). Wind will be generally light. | Days 5-7 weather summary:Heavy rain (total 51.0mm), heaviest during Thu afternoon. Very mild (max 17°C on Wed morning, min 12°C on Tue night). Wind will be generally light. | |||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  |  |  | | |  | | | |
light rain | cloudy | mod. rain | mod. rain | mod. rain | mod. rain | light rain | mod. rain | light rain | clear | clear | clear | mod. rain | heavy rain | heavy rain | light rain | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 4 | — | 7 | 6 | 6 | 9 | 1 | 6 | 3 | — | — | — | 8 | 22 | 18 | 2 |
max °C | 15 | 16 | 15 | 15 | 16 | 14 | 14 | 13 | 12 | 13 | 17 | 16 | 15 | 15 | 15 | 16 |
min °C | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 15 | 14 | 13 | 15 | 15 | 14 |
chill °C | 14 | 16 | 14 | 14 | 15 | 14 | 12 | 12 | 12 | 12 | 15 | 13 | 12 | 15 | 15 | 14 |
Humid % | 99 | 86 | 97 | 99 | 91 | 95 | 85 | 93 | 90 | 68 | 33 | 48 | 93 | 99 | 98 | 73 |
Freeze m | 4150 | 4250 | 4150 | 4050 | 4150 | 4200 | 4050 | 3650 | 4200 | 4250 | 4500 | 4500 | 4500 | 4550 | 4500 | 4350 |
 | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — |
 | — | — | 5:42 | — | — | 5:40 | — | — | 5:38 | — | — | 5:37 | — | — | 5:36 | — |
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche 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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