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
Iox-Arosa at 850 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 | some clouds | clear | clear | some clouds | cloudy | light rain | heavy rain | light snow | light snow | snow shwrs | clear | some clouds | some clouds | cloudy | light rain | heavy rain | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | 2 | |
— | — | — | — | — | — | 4 | 21 | 2 | — | — | — | — | — | — | 1 | 13 | 8 | |
max °C | 9 | 10 | 8 | 12 | 12 | 11 | 11 | 8 | 3 | -2 | 0 | 3 | 7 | 7 | 9 | 10 | 8 | 3 |
min °C | 6 | 8 | 7 | 10 | 11 | 11 | 10 | 4 | -1 | -2 | -2 | 0 | 4 | 7 | 8 | 9 | 7 | -2 |
4 | 6 | 4 | 7 | 8 | 9 | 7 | 2 | -5 | -8 | -7 | -3 | 3 | 5 | 6 | 5 | 4 | -6 | |
38 | 33 | 51 | 77 | 62 | 69 | 85 | 99 | 94 | 94 | 85 | 46 | 43 | 59 | 66 | 69 | 87 | 95 | |
2350 | 2650 | 2550 | 2600 | 2700 | 2850 | 2850 | 2300 | 1100 | 600 | 600 | 1650 | 2050 | 2200 | 2550 | 2700 | 2500 | 1000 | |
 | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 4:38 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — |
Next 0-3 days weather summary:
Heavy rain (total 27.0mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 12°C on Sat morning, min -1°C on Sun night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 22.0mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 10°C on Wed morning, min -2°C on Mon morning). Winds increasing (calm on Mon night, strong winds from the S by Wed morning).
Popular Iox-Arosa Pages
Snow Radar
Latest snow reports near Iox-Arosa:
Iox-Arosa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.1 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Iox-Arosa Forecast Snowfall
Sign up or Login to accessSnow-Forecast Partner Offers
Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Iox-Arosa at the specific elevation of 850 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Iox-Arosa. 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 Iox-Arosa
Nearest