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Happo One Weather (Next 3 days): The snow forecast for Happo One is: A light covering of new snow, mostly falling on Sat night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Sat afternoon). Wind will be generally light.
Happo One Weather (Days 4-6): A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Tue afternoon, min -14°C on Thu afternoon). Winds increasing (light winds from the WNW on Wed night, fresh winds from the W by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 1.3 m | -9 |  | |||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | 0.5 m | -4 | |
Latest snow reports near Happo One:
Snowing heavily in Myoko Ski Park. from Myoko Ski Park
Excellent on and off piste conditions. Light snow falling up high. from Ikenotaira Onsen Alpenblick
Sat 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | |  |  |  |  | | | | |
some clouds | light snow | clear | clear | clear | some clouds | some clouds | light snow | light snow | light snow | heavy snow | heavy snow | mod. snow | mod. snow | mod. snow | heavy snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 4 | — | — | — | — | — | 5 | 1 | 4 | 11 | 12 | 5 | 10 | 7 | 12 | 14 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -8 | -5 | -4 | -6 | -3 | -2 | -4 | -2 | -2 | -3 | -7 | -9 | -11 | -13 | -13 | -12 |
min °C | -9 | -9 | -7 | -6 | -6 | -4 | -3 | -4 | -3 | -3 | -7 | -8 | -11 | -13 | -13 | -14 | -14 |
-15 | -16 | -11 | -8 | -10 | -9 | -8 | -10 | -8 | -7 | -15 | -14 | -17 | -18 | -19 | -23 | -24 | |
67 | 92 | 65 | 55 | 43 | 41 | 50 | 94 | 88 | 91 | 97 | 94 | 89 | 90 | 90 | 88 | 92 | |
650 | 600 | 650 | 1150 | 450 | 1150 | 1600 | 1150 | 1350 | 1450 | 1150 | 800 | 600 | 0 | 0 | 0 | 0 | |
 | — | — | 6:58 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — |
 | 4:38 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — | 4:42 | — |
A light covering of new snow, mostly falling on Sat night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -9°C on Sat afternoon). Wind will be generally light.
A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -2°C on Tue afternoon, min -14°C on Thu afternoon). Winds increasing (light winds from the WNW on Wed night, fresh winds from the W by Thu night).
Latest snow reports near Happo One:
Snowing heavily in Myoko Ski Park. from Myoko Ski Park
Excellent on and off piste conditions. Light snow falling up high. from Ikenotaira Onsen Alpenblick
| Top snow depth: | 125 cm |
|---|---|
| Bottom snow depth: | 45 cm |
| Fresh snowfall depth: | 72 cm |
| Last snowfall: | 26 Dec 2025 |
| Snow Alerts | Create Alert |
1.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
1.2 | 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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