Sign In with AppleBy using Snow-Forecast, you agree to our Terms & Services.
Don't have an account? Join now
Happo One Weather (Next 3 days): The snow forecast for Happo One is: Moderate rain (total 13.0mm) heaviest on Mon afternoon, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Sun morning, min -5°C on Sat night). Wind will be generally light.
Happo One Weather (Days 4-6): Mild with light rain (total 2.0mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -5°C on Tue night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.7 m | -6 |  | |||
| Middle Lift: | -5 | | ||||
| Bottom Lift: | 0.3 m | -7 | |
Latest snow reports near Happo One:
Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 9 kms SSE of Iizuna Resort but it is forecast cold enough for snow at the ski area from Iizuna Resort
Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 9 kms SSE of Iizuna Resort but it is forecast cold enough for snow at higher elevations in the ski area from Iizuna Resort
Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | |  |  |  | | | | | | |  | |  | |
clear | clear | some clouds | some clouds | rain shwrs | some clouds | light rain | mod. rain | snow shwrs | some clouds | some clouds | clear | some clouds | clear | some clouds | cloudy | light rain | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 6 | |
— | — | — | — | 1 | — | 2 | 10 | — | — | — | — | — | — | — | — | 2 | — | |
max °C | 4 | 4 | -2 | 6 | 6 | 3 | 6 | 4 | -1 | 3 | 3 | -4 | 5 | 5 | 0 | 6 | 4 | 1 |
min °C | 1 | -3 | -5 | 4 | 1 | 0 | 5 | 2 | -3 | 1 | -3 | -5 | 2 | -2 | -2 | 5 | 2 | -2 |
1 | -3 | -8 | 2 | -1 | -2 | 3 | 0 | -5 | 1 | -3 | -5 | 2 | -4 | -4 | 4 | 0 | -5 | |
57 | 73 | 48 | 80 | 86 | 79 | 89 | 95 | 94 | 81 | 83 | 67 | 59 | 75 | 66 | 78 | 92 | 98 | |
1000 | 1500 | 400 | 1500 | 1700 | 1450 | 1650 | 1400 | 750 | 850 | 1100 | 0 | 1200 | 1500 | 1150 | 1600 | 1400 | 800 | |
 | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — |
Moderate rain (total 13.0mm) heaviest on Mon afternoon, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Sun morning, min -5°C on Sat night). Wind will be generally light.
Mild with light rain (total 2.0mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -5°C on Tue night). Wind will be generally light.
Latest snow reports near Happo One:
Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 9 kms SSE of Iizuna Resort but it is forecast cold enough for snow at the ski area from Iizuna Resort
Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 9 kms SSE of Iizuna Resort but it is forecast cold enough for snow at higher elevations in the ski area from Iizuna Resort
| Top snow depth: | 70 cm |
|---|---|
| Bottom snow depth: | 30 cm |
| Fresh snowfall depth: | 71 cm |
| Last snowfall: | 5 Dec 2025 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Happo One at the specific elevation of 760 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
It is not raining at all. [note from the editor: thank you for submitting your weather observations. You may like to become an Eyeball Reporter, via Twitter. This review will remain in place for a short time.}
Yoshi from Japan writes:
It is not raining at all.
[note from the editor: thank you for submitting your weather observations. You may like to become an Eyeball Reporter, via Twitter. This review will remain in place for a short time.}
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Upload new photo
Nearest