Sign In with AppleBy using Snow-Forecast, you agree to our Terms & Services.
Don't have an account? Join now
Alternatively, you can now use your Outside account to sign in to any brand in the Outside digital ecosystem, including Snow-Forecast, Surf-Forecast, and Mountain-Forecast.
Happo One Weather (Next 3 days): The snow forecast for Happo One is: Light rain (total 2.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 4°C on Sun morning, min -3°C on Sat morning). Wind will be generally light.
Happo One Weather (Days 4-6): A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 3°C on Tue morning, min -13°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, fresh winds from the W by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.0 m | -5 |  | |||
| Middle Lift: | -3 | | ||||
| Bottom Lift: | 0.0 m | 0 | |
Latest snow reports near Happo One:
Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  |  | | |  |  |  | | |  | | | | | | |
clear | clear | clear | clear | clear | clear | rain shwrs | light rain | clear | clear | snow shwrs | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | mod. snow | heavy snow | heavy snow | heavy snow | snow shwrs | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 11 | 15 | 20 | 36 | 7 | 8 | 19 | 20 | 16 | 8 | |
— | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | -1 | 1 | 4 | 4 | 3 | 3 | 3 | 1 | 3 | 2 | 0 | -5 | -10 | -12 | -8 | -7 | -6 | -6 | -7 | -8 |
min °C | -3 | -2 | -1 | 3 | 3 | 2 | 2 | 2 | 1 | 2 | 0 | -3 | -8 | -11 | -13 | -11 | -7 | -7 | -6 | -8 | -9 |
-6 | -5 | -5 | -1 | 0 | -3 | -2 | -2 | -3 | -2 | -3 | -8 | -16 | -21 | -24 | -20 | -15 | -15 | -14 | -14 | -15 | |
64 | 69 | 39 | 36 | 54 | 32 | 46 | 85 | 68 | 47 | 68 | 96 | 92 | 89 | 95 | 91 | 90 | 93 | 94 | 92 | 90 | |
1150 | 1700 | 1700 | 2400 | 2550 | 2500 | 2350 | 2250 | 2050 | 2150 | 2150 | 1550 | 1100 | 500 | 0 | 300 | 850 | 700 | 900 | 850 | 300 | |
 | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — |
 | — | 4:32 | — | — | 4:32 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — |
Light rain (total 2.0mm), mostly falling on Mon morning. Freeze-thaw conditions (max 4°C on Sun morning, min -3°C on Sat morning). Wind will be generally light.
A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 3°C on Tue morning, min -13°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, fresh winds from the W by Thu night).
Latest snow reports near Happo One:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 11 cm |
| Last snowfall: | 28 Nov 2025 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Sign up or Login to access
Upload new photo
Nearest