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Koshi Kogen Weather (Next 3 days): The snow forecast for Koshi Kogen is: Heavy rain (total 32.0mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 9°C on Sun morning, min 1°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, calm by Tue night).
Koshi Kogen Weather (Days 4-6): Moderate rain (total 18.0mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -2°C on Fri morning). Winds increasing (calm on Wed morning, fresh winds from the NW by Fri morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 1 |  | ||||
| Bottom Lift: | 0 | |
Latest snow reports near Koshi Kogen:
It is snowing heavily at Kagura. from Kagura
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  |  |  |  |  | |  |  | | | |
clear | rain shwrs | rain shwrs | light rain | mod. rain | mod. rain | light rain | light rain | light snow | snow shwrs | some clouds | light rain | cloudy | some clouds | mod. snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 5 | 1 | — | — | — | — | 8 | 5 | 2 | 4 | |
— | 1 | 1 | 1 | 6 | 8 | 4 | 4 | 7 | — | — | 4 | — | — | 14 | — | — | — | |
max °C | 9 | 9 | 5 | 8 | 7 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 9 | 8 | 5 | -2 | -1 | 0 |
min °C | 5 | 6 | 4 | 7 | 5 | 2 | 2 | 3 | 1 | 1 | 3 | 3 | 6 | 6 | -1 | -2 | -1 | -1 |
3 | 3 | 2 | 5 | 0 | -2 | -1 | 0 | 1 | 1 | 1 | 0 | 5 | 4 | -8 | -9 | -8 | -7 | |
65 | 70 | 78 | 69 | 73 | 71 | 85 | 83 | 88 | 96 | 81 | 77 | 75 | 65 | 97 | 91 | 71 | 76 | |
1350 | 1600 | 1650 | 1800 | 1200 | 800 | 700 | 850 | 850 | 650 | 1100 | 1200 | 1500 | 1750 | 900 | 0 | 250 | 350 | |
 | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — |
 | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:27 | — |
Heavy rain (total 32.0mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 9°C on Sun morning, min 1°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, calm by Tue night).
Moderate rain (total 18.0mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -2°C on Fri morning). Winds increasing (calm on Wed morning, fresh winds from the NW by Fri morning).
Latest snow reports near Koshi Kogen:
It is snowing heavily at Kagura. from Kagura
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 30 cm |
| Last snowfall: | 5 Dec 2025 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | 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 Koshi Kogen at the specific elevation of 392 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Koshi Kogen. 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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