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Happo One at 1831 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 05 Feb 2026
Now
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  | |  |  |  |  |  | | | | |
some clouds | some clouds | some clouds | light snow | light snow | light snow | light snow | light snow | mod. snow | light snow | heavy snow | heavy snow | snow shwrs | clear | clear | clear | some clouds | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | 2 | 2 | 4 | 4 | 5 | 4 | 13 | 17 | — | — | — | — | — | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -2 | -3 | -3 | -6 | -8 | -11 | -12 | -13 | -14 | -15 | -16 | -10 | -9 | -6 | -2 | -2 | -1 |
min °C | -3 | -3 | -4 | -4 | -8 | -11 | -12 | -13 | -14 | -14 | -16 | -16 | -13 | -10 | -8 | -3 | -3 | -3 |
-7 | -8 | -11 | -10 | -15 | -16 | -17 | -17 | -18 | -14 | -25 | -26 | -21 | -17 | -14 | -7 | -8 | -9 | |
56 | 62 | 59 | 66 | 88 | 77 | 92 | 94 | 97 | 92 | 87 | 94 | 74 | 64 | 51 | 39 | 57 | 81 | |
1300 | 1600 | 1200 | 1300 | 900 | 250 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 500 | 0 | 1150 | 1500 | 1350 | |
 | 6:47 | — | — | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Sat morning. Temperatures will be below freezing (max -2°C on Thu morning, min -14°C on Sat night). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -1°C on Tue night, min -16°C on Sun afternoon). Wind will be generally light.
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Latest snow reports near Happo One:
37 km away from Happo One
17 hours ago
Cloudless skies over Seki Onsen. About freezing. No new snow. Lifts are all open. Good snow on the pistes. Varied snow off-piste today. from Seki Onsen
Happo One Snow Conditions
| Top snow depth: | 305 cm |
|---|---|
| Bottom snow depth: | 70 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 3 Feb 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 1 of February has on average:
1.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.8 | Powder days Fresh snow, limited sun, any wind. |
1.1 | Bluebird days Average snow, mostly sunny, light wind. |
Happo One Forecast Snowfall
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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 (3) / good piste (3)
The above table gives the weather forecast for Happo One at the specific elevation of 1831 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
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- Mick from Australia writes:
Unfortunately, 2019/20 is shaping up as the worst season in decades. Happo is a great mountain, but unfortunately, snow conditions are just like back home, icy at the top and wet muck from the middle to bottom, with that famous Japan powder, just something others talk about.
Visitor Reviews of Happo One
Mick from Australia writes:
Unfortunately, 2019/20 is shaping up as the worst season in decades.
Happo is a great mountain, but unfortunately, snow conditions are just like back home, icy at the top and wet muck from the middle to bottom, with that famous Japan powder, just something others talk about.
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