Next 3 days weather summary:Light rain (total 3.0mm), mostly falling on Sat afternoon. Freeze-thaw conditions (max 10°C on Mon afternoon, min 0°C on Sat night). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 25.0mm), heaviest during Wed afternoon. Very mild (max 11°C on Fri morning, min 6°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  |  | |  | |  | | | | | |
snow shwrs | clear | clear | clear | clear | some clouds | rain shwrs | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | risk thun- der | rain shwrs | rain shwrs | risk thun- der | rain shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1 | — | — | — | — | — | 1 | — | 1 | 3 | 2 | 2 | 7 | 1 | 4 | 5 | 1 | |
max °C | 2 | 1 | 7 | 8 | 5 | 9 | 10 | 7 | 9 | 10 | 8 | 10 | 10 | 7 | 9 | 8 | 7 |
min °C | 1 | 0 | 4 | 6 | 5 | 7 | 8 | 6 | 8 | 9 | 7 | 9 | 8 | 7 | 8 | 7 | 6 |
-3 | -3 | 4 | 6 | 4 | 6 | 8 | 5 | 8 | 9 | 6 | 8 | 8 | 7 | 8 | 6 | 6 | |
62 | 45 | 32 | 47 | 54 | 48 | 59 | 73 | 63 | 71 | 87 | 73 | 80 | 89 | 75 | 79 | 76 | |
2100 | 1950 | 2550 | 2700 | 2900 | 3100 | 2950 | 3100 | 3100 | 3100 | 3000 | 3150 | 3200 | 3050 | 3000 | 3000 | 2800 | |
 | — | — | 4:46 | — | — | 4:45 | — | — | 4:43 | — | — | 4:43 | — | — | 4:41 | — | — |
 | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — |
Latest snow reports near Happo One:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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 3.8 Based on 42 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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