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
Yunomaru at 1838 m altitude
Issued by Snow-Forecast.com at: 8 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 | some clouds | some clouds | some clouds | some clouds | cloudy | light rain | snow shwrs | clear | some clouds | clear | some clouds | some clouds | some clouds | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 1 | |
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 3 | 4 | 4 | 4 | 6 | 5 | 5 | 0 | -5 | -5 | -3 | -2 | -1 | -1 | 0 | 2 | 0 |
min °C | 0 | 2 | 3 | 3 | 4 | 5 | 5 | 4 | -5 | -6 | -6 | -5 | -2 | -2 | -3 | 0 | 1 | -6 |
-3 | -1 | 0 | -1 | -1 | 1 | 1 | 0 | -13 | -14 | -13 | -9 | -4 | -6 | -7 | -6 | -5 | -14 | |
37 | 41 | 32 | 86 | 72 | 73 | 84 | 94 | 90 | 71 | 64 | 48 | 47 | 47 | 71 | 81 | 93 | 89 | |
1800 | 2400 | 2500 | 2450 | 2650 | 2900 | 2750 | 2800 | 1250 | 700 | 800 | 650 | 1350 | 1450 | 1150 | 1950 | 2250 | 1200 | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:35 | — |
Next 0-3 days weather summary:
Drizzle at first, then turning colder with dusting of snow on Sun night. Freeze-thaw conditions (max 6°C on Sat night, min -5°C on Sun night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the NW by Sun night).
Next 4-6 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed afternoon, min -6°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the SSW by Wed afternoon).
Popular Yunomaru Pages
Snow Radar
Submit a report
Latest snow reports near Yunomaru:
49 km away from Yunomaru
7 hours ago
Partly cloudy at Madarao Kogen. Just a light breeze today. Feeling cold here today. There is a dusting of fresh snow. Packed snow on piste. The off-piste has an icy crust. from Madarao Kogen
Yunomaru Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 3 of December has on average:
1.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
2.9 | Bluebird days Average snow, mostly sunny, light wind. |
Yunomaru Forecast Snowfall
Sign up or Login to accessSnow-Forecast Partner Offers
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
The above table gives the weather forecast for Yunomaru at the specific elevation of 1838 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Yunomaru. 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 Yunomaru
Nearest