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Ski areas in Canada and the USA have been announcing extensions to their seasons and, in some cases, longer slope opening hours daily, after big snowfalls in late March and early April.
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Koshi Kogen at 340 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 04 Apr 2025
Now
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | |  | | | | | | |  | | | |
rain shwrs | clear | some clouds | cloudy | rain shwrs | light rain | rain shwrs | some clouds | light rain | light rain | some clouds | light rain | rain shwrs | light rain | clear | cloudy | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
3 | — | — | — | 1.0 | 2.0 | 3 | — | 2.0 | 4 | — | 1.0 | 6 | 3 | — | — | — | — | — | |
max°C | 4 | 11 | 12 | 7 | 15 | 12 | 8 | 12 | 9 | 6 | 13 | 14 | 9 | 9 | 11 | 7 | 18 | 16 | 11 |
min°C | 2 | 7 | 8 | 7 | 13 | 9 | 6 | 10 | 7 | 6 | 10 | 10 | 7 | 7 | 8 | 6 | 13 | 12 | 10 |
2 | 7 | 8 | 7 | 12 | 8 | 6 | 9 | 4 | 3 | 10 | 10 | 5 | 5 | 8 | 6 | 13 | 12 | 10 | |
90 | 60 | 48 | 72 | 52 | 76 | 83 | 53 | 76 | 81 | 60 | 41 | 85 | 78 | 57 | 60 | 43 | 40 | 64 | |
850 | 1100 | 1650 | 1950 | 2100 | 2000 | 1500 | 1450 | 1450 | 1150 | 1600 | 2000 | 1600 | 1200 | 1500 | 2350 | 2400 | 2300 | 2300 | |
 | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — |
 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — |
Next 0-3 days weather summary:
Moderate rain (total 11.0mm), heaviest on Sun night. Very mild (max 15°C on Sun morning, min 2°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 14.0mm), heaviest on Tue night. Very mild (max 18°C on Thu morning, min 6°C on Mon night). Wind will be generally light.
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Latest snow reports near Koshi Kogen:
Koshi Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 30 Mar 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (1)
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Snow History
Week 1 of April has on average:
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. |
Koshi Kogen Forecast Snowfall
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Photos of Koshi Kogen
Upload new photo Other resorts in Japan - Niigata are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Koshi Kogen at the specific elevation of 340 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.
Visitor Reviews of Koshi Kogen
Free Snow-Forecast.com weather widget for your website
The Koshi Kogen skiing weather widget is available to embed on external websites free of charge. It provides a daily summary of our Koshi Kogen snow forecast and current weather conditions. Simply go to the feed configuration page and follow the 3 simple steps to grab the custom html code snippet and paste it into your own site. You can choose the snow forecast elevation (summit, mid-mountain or bottom lift) and metric/imperial units for the snow forecast feed to suit your own website…. Click here to get the code.
View detailed snow forecast for Koshi Kogen at:
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