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Happo One Weather (Next 3 days): The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Sun morning, min -9°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu night, light winds from the W by Fri night).
Happo One Weather (Days 4-6): A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -1°C on Sun night, min -8°C on Tue afternoon). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -9 |  | |||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | 0.0 m | -5 | |
Latest snow reports near Happo One:
Snow is falling in Akakura Kanko. from Akakura Kanko
It is snowing steadily at Madarao Kogen Sympathique. from Madarao Kogen Sympathique
It is snowing steadily at Ikenotaira Onsen Alpenblick. from Ikenotaira Onsen Alpenblick
Continuous light snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Continuous light snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is probably falling as rain apart from near the top of the ski area from Iizuna Kogen
Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  |  |  | |  | |  | |  | | |
heavy snow | heavy snow | mod. snow | snow shwrs | clear | clear | clear | some clouds | cloudy | snow shwrs | light snow | light snow | mod. snow | light snow | snow shwrs | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
18 | 15 | 7 | — | — | — | — | — | — | — | 1 | 3 | 7 | 1 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -7 | -8 | -6 | -2 | -2 | -3 | -1 | -1 | -1 | -2 | -4 | -6 | -6 | -6 | -6 |
min °C | -9 | -8 | -9 | -9 | -4 | -3 | -3 | -2 | -1 | -1 | -2 | -5 | -7 | -7 | -8 | -8 |
-17 | -13 | -15 | -14 | -8 | -7 | -8 | -6 | -5 | -6 | -8 | -11 | -12 | -12 | -12 | -12 | |
92 | 94 | 94 | 58 | 33 | 51 | 23 | 70 | 81 | 77 | 87 | 88 | 91 | 80 | 77 | 58 | |
450 | 700 | 700 | 0 | 1000 | 1500 | 450 | 1550 | 1700 | 1700 | 1550 | 1300 | 800 | 800 | 900 | 0 | |
 | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — |
 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — |
A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Sun morning, min -9°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu night, light winds from the W by Fri night).
A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -1°C on Sun night, min -8°C on Tue afternoon). Wind will be generally light.
Latest snow reports near Happo One:
Snow is falling in Akakura Kanko. from Akakura Kanko
It is snowing steadily at Madarao Kogen Sympathique. from Madarao Kogen Sympathique
It is snowing steadily at Ikenotaira Onsen Alpenblick. from Ikenotaira Onsen Alpenblick
Continuous light snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Continuous light snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is probably falling as rain apart from near the top of the ski area from Iizuna Kogen
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 50 cm |
| Last snowfall: | 3 Dec 2025 |
| Snow Alerts | Create Alert |
1.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.0 | Powder days Fresh snow, limited sun, any wind. |
0.7 | Bluebird days Average snow, mostly sunny, light wind. |
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.
Overall 3.9 Based on 31 votes and 27 reviews
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.
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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