Sign In with Apple
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
View forecast
Joetsu Kokusai at 200 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 19 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  |  | | |  | | | |  | | |
clear | clear | clear | clear | clear | cloudy | cloudy | mod. rain | heavy rain | light snow | light snow | clear | some clouds | some clouds | cloudy | cloudy | light rain | heavy rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 10 | 15 | 3 | 1 | — | — | — | — | — | 2 | 14 | |
max °C | 9 | 8 | 3 | 14 | 12 | 10 | 14 | 11 | 7 | 3 | 2 | -2 | 8 | 6 | 3 | 8 | 8 | 8 |
min °C | 5 | 2 | 2 | 9 | 8 | 8 | 12 | 9 | 3 | 2 | 1 | -4 | 3 | 0 | 0 | 7 | 7 | 3 |
4 | 0 | 0 | 8 | 6 | 6 | 11 | 7 | 0 | 0 | 1 | -7 | 3 | -3 | -4 | 4 | 5 | 1 | |
70 | 80 | 74 | 77 | 76 | 82 | 83 | 99 | 97 | 99 | 84 | 87 | 63 | 68 | 77 | 78 | 85 | 97 | |
1900 | 2500 | 2600 | 2500 | 2650 | 2950 | 2850 | 2600 | 1050 | 500 | 450 | 0 | 1750 | 1900 | 2400 | 2950 | 2600 | 1000 | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — |
Next 0-3 days weather summary:
Heavy rain (total 25.0mm), heaviest during Sun afternoon. Very mild (max 14°C on Sat morning, min 2°C on Fri afternoon). Wind will be generally light.
Next 4-6 days weather summary:
A dusting of snow. Milder later with heavy rain (total 20.0mm) on Wed night. Freeze-thaw conditions (max 8°C on Tue morning, min -4°C on Mon night). Wind will be generally light.
Popular Joetsu Kokusai Pages
Snow Radar
Submit a report
Latest snow reports near Joetsu Kokusai:
7 km away from Joetsu Kokusai
26 hours ago
It is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
35 km away from Joetsu Kokusai
38 hours agoSnow is falling in Nozawa Onsen. from Nozawa Onsen
Joetsu Kokusai Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 14 cm |
| Last snowfall: | 18 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Joetsu Kokusai Forecast Snowfall
Sign up or Login to accessSnow-Forecast Partner Offers
Photos of Joetsu Kokusai
Upload new photo Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Joetsu Kokusai at the specific elevation of 200 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.
Visitor Reviews of Joetsu Kokusai
Nearest