Sign In with Apple
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Go Ahead For UK’s New Largest Indoor Snow Centre
A decade-old plan to build the UK’s new longest indoor ski slope have been approved, apparently meaning construction can now finally go ahead.
View forecast
Happo One at 760 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 09 Jan 2026
Now
Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | |||||||||||||
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 | mod. snow | heavy snow | heavy snow | heavy snow | snow shwrs | clear | cloudy | light snow | mod. snow | heavy snow | mod. snow | mod. snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 7 | 15 | 16 | 24 | 1 | — | — | — | 7 | 15 | 6 | 7 | 1 | |
— | — | — | — | — | 10 | — | — | — | — | — | — | 2 | — | — | — | — | — | |
max °C | 0 | 0 | -6 | 5 | 5 | 2 | -4 | -6 | -7 | -2 | -1 | -3 | 4 | 1 | -4 | -3 | -3 | -6 |
min °C | -4 | -7 | -6 | 1 | 0 | -2 | -5 | -7 | -9 | -5 | -7 | -7 | 2 | -2 | -6 | -4 | -5 | -7 |
-4 | -10 | -9 | -2 | -4 | -6 | -14 | -17 | -13 | -9 | -10 | -10 | -1 | -6 | -10 | -8 | -9 | -11 | |
67 | 70 | 67 | 49 | 49 | 95 | 85 | 89 | 90 | 81 | 70 | 67 | 85 | 89 | 91 | 89 | 86 | 88 | |
0 | 700 | 0 | 1000 | 1600 | 1100 | 200 | 0 | 0 | 0 | 550 | 0 | 1100 | 950 | 0 | 0 | 250 | 0 | |
 | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — |
 | — | 4:49 | — | — | 4:50 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — |
Next 0-3 days weather summary:
Moderate rain (total 10.0mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 5°C on Sat morning, min -9°C on Sun night). Winds increasing (calm on Fri afternoon, strong winds from the W by Sun afternoon).
Next 4-6 days weather summary:
Light rain (total 2.0mm) on Tue morning. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Tue morning, min -7°C on Mon afternoon). Wind will be generally light.
Popular Happo One Pages
Snow Radar
Submit a report
Latest snow reports near Happo One:
41 km away from Happo One
36 minutes ago
Snowing at a moderate rate in Tangram Ski Circus. from Tangram Ski Circus
- 19 hours ago
Snow is falling at Happo One. from Happo One
33 km away from Happo One
20 hours agoIt is snowing heavily at Myoko Suginohara. from Myoko Suginohara
37 km away from Happo One
20 hours agoIt is snowing heavily at Akakura Onsen. from Akakura Onsen
10 km away from Happo One
23 hours agoSnow falling in Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
Happo One Snow Conditions
| Top snow depth: | 230 cm |
|---|---|
| Bottom snow depth: | 52 cm |
| Fresh snowfall depth: | 39 cm |
| Last snowfall: | 8 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of January has on average:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.4 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Happo One Forecast Snowfall
Sign up or Login to accessSnow-Forecast Partner Offers
Photos of Happo One
Hakuba Japan by Chris Hocking
The day Happo One by Denis Akira Hayashihara
zoio Happo One by Denis Akira H
Upload new photo Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Happo One at the specific elevation of 760 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Happo One. 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 Happo One
Overall 3.9 Based on 31 votes and 27 reviews
- Snowsure
- Variety of pistes
- Vote
- Yoshi from Japan writes:
It is not raining at all. [note from the editor: thank you for submitting your weather observations. You may like to become an Eyeball Reporter, via Twitter. This review will remain in place for a short time.}
Visitor Reviews of Happo One
Yoshi from Japan writes:
It is not raining at all.
[note from the editor: thank you for submitting your weather observations. You may like to become an Eyeball Reporter, via Twitter. This review will remain in place for a short time.}
Nearest