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Happo One Weather (Next 3 days): The snow forecast for Happo One is: A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -5°C on Wed morning, min -13°C on Mon night). Wind will be generally light.
Happo One Weather (Days 4-6): A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -3°C on Sat morning, min -14°C on Thu night). Winds increasing (light winds from the WNW on Fri morning, near gales from the W by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 2.1 m | -9 |  | |||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | 0.5 m | -2 |  |
Latest snow reports near Happo One:
Snow falling heavily at Happo One. from Happo One
Continuous light snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Snowing heavily at Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
Snowing in Akakura Onsen. from Akakura Onsen
Moderate to heavy 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
Mon 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | |  |  |  | |  | | | | |
heavy snow | heavy snow | light snow | snow shwrs | some clouds | some clouds | some clouds | heavy snow | heavy snow | mod. snow | snow shwrs | clear | clear | clear | some clouds | light snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
20 | 14 | 2 | — | — | — | — | 23 | 12 | 9 | 3 | — | — | — | — | — | 33 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -11 | -10 | -9 | -10 | -5 | -5 | -7 | -11 | -12 | -12 | -7 | -6 | -7 | -3 | -3 | -6 |
min °C | -9 | -13 | -12 | -11 | -11 | -7 | -7 | -9 | -12 | -13 | -14 | -9 | -8 | -7 | -5 | -5 | -11 |
-16 | -21 | -20 | -17 | -16 | -12 | -14 | -15 | -20 | -22 | -23 | -14 | -14 | -13 | -12 | -13 | -24 | |
95 | 94 | 87 | 64 | 43 | 49 | 69 | 93 | 90 | 86 | 69 | 52 | 56 | 53 | 39 | 75 | 94 | |
1000 | 0 | 0 | 450 | 0 | 650 | 1150 | 600 | 300 | 200 | 0 | 0 | 800 | 0 | 950 | 1450 | 750 | |
 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — |
 | 4:45 | — | — | 4:46 | — | — | 4:46 | — | — | 4:47 | — | — | 4:49 | — | — | 4:50 | — |
A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -5°C on Wed morning, min -13°C on Mon night). Wind will be generally light.
A heavy fall of snow, heaviest during Sun morning. Temperatures will be below freezing (max -3°C on Sat morning, min -14°C on Thu night). Winds increasing (light winds from the WNW on Fri morning, near gales from the W by Sat night).
Latest snow reports near Happo One:
Snow falling heavily at Happo One. from Happo One
Continuous light snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Snowing heavily at Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
Snowing in Akakura Onsen. from Akakura Onsen
Moderate to heavy 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
| Top snow depth: | 210 cm |
|---|---|
| Bottom snow depth: | 48 cm |
| Fresh snowfall depth: | 11 cm |
| Last snowfall: | 4 Jan 2026 |
| Snow Alerts | Create Alert |
1.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.2 | Powder days Fresh snow, limited sun, any wind. |
1.5 | 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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