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Happo One at 1831 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 03 Feb 2026
Now
Tue 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  |  |  | | |  |  | |  | |
some clouds | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | snow shwrs | light snow | light snow | light snow | light snow | mod. snow | mod. snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 4 | 6 | 6 | 7 | 13 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -8 | -3 | -3 | -5 | -2 | -2 | -3 | -4 | -6 | -10 | -11 | -11 | -11 | -13 | -13 | -15 |
min °C | -9 | -8 | -5 | -5 | -5 | -4 | -4 | -4 | -4 | -8 | -12 | -12 | -11 | -13 | -13 | -15 | -16 |
-12 | -12 | -10 | -9 | -10 | -8 | -9 | -11 | -10 | -14 | -18 | -17 | -15 | -13 | -18 | -24 | -25 | |
62 | 43 | 36 | 45 | 61 | 51 | 53 | 55 | 62 | 78 | 79 | 73 | 94 | 96 | 93 | 90 | 94 | |
650 | 0 | 950 | 1350 | 950 | 1300 | 1550 | 1100 | 1250 | 700 | 0 | 0 | 150 | 0 | 0 | 0 | 0 | |
 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — |
 | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — |
Next 0-3 days weather summary:
Mostly dry. Temperatures will be below freezing (max -2°C on Thu morning, min -9°C on Tue afternoon). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Mon morning. Temperatures will be well below freezing (max -6°C on Fri afternoon, min -16°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the WNW by Mon morning).
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Latest snow reports near Happo One:
45 km away from Happo One
7 hours ago
It is snowing heavily at Lotte Arai Resort. from Lotte Arai Resort
43 km away from Happo One
7 hours agoThere is heavy snow falling in Madarao Kogen. from Madarao Kogen
43 km away from Happo One
7 hours agoSnow is falling at Madarao Kogen. from Madarao Kogen
37 km away from Happo One
11 hours agoSnow showers are falling in Seki Onsen. Just a light breeze today. Cold. There is knee-deep fresh snow. Some lifts are open. The pistes have good snow. There is fresh snow off-piste. from Seki Onsen
27 km away from Happo One
12 hours ago
Freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Happo One Snow Conditions
| Top snow depth: | 310 cm |
|---|---|
| Bottom snow depth: | 80 cm |
| Fresh snowfall depth: | 23 cm |
| Last snowfall: | 2 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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