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Joetsu Kokusai Weather (Next 3 days): The snow forecast for Joetsu Kokusai is: Mild with moderate rain (total 16.0mm) on Sun night, Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 14°C on Sun morning, min -3°C on Mon night). Wind will be generally light.
Joetsu Kokusai Weather (Days 4-6): Heavy rain (total 22.0mm), mainly falling Wed afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Wed night, min -2°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NW by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 7 |  | ||||
| Middle Lift: | 7 | | ||||
| Bottom Lift: | 4 | |
Latest snow reports near Joetsu Kokusai:
It is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | | | | |  |  | |  | | |  | |
clear | clear | some clouds | some clouds | mod. rain | light snow | light snow | light snow | clear | some clouds | clear | light rain | light rain | mod. rain | mod. rain | light rain | light rain | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | 7 | |
— | — | — | — | 7 | 9 | — | — | — | — | — | 1 | 4 | 7 | 6 | 3 | 1 | — | |
max °C | 13 | 12 | 11 | 14 | 9 | 3 | -1 | -1 | -2 | 5 | 5 | 5 | 7 | 7 | 9 | 4 | 3 | 3 |
min °C | 10 | 10 | 10 | 13 | 5 | 0 | -1 | -2 | -3 | 3 | 2 | 3 | 6 | 7 | 4 | 3 | 3 | -2 |
9 | 8 | 8 | 12 | 2 | -5 | -5 | -2 | -3 | 2 | -1 | 0 | 2 | 4 | 2 | 1 | 1 | -6 | |
74 | 73 | 70 | 64 | 97 | 97 | 97 | 88 | 79 | 47 | 55 | 68 | 86 | 90 | 98 | 98 | 97 | 97 | |
2550 | 2750 | 2800 | 2950 | 2450 | 1000 | 450 | 450 | 0 | 1650 | 1850 | 2200 | 2250 | 2550 | 2050 | 1150 | 1000 | 900 | |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — |
Mild with moderate rain (total 16.0mm) on Sun night, Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 14°C on Sun morning, min -3°C on Mon night). Wind will be generally light.
Heavy rain (total 22.0mm), mainly falling Wed afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Wed night, min -2°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NW by Thu night).
Latest snow reports near Joetsu Kokusai:
It is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.1 | 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 Joetsu Kokusai at the specific elevation of 608 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Joetsu 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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