Happo One Long-Range Snow Forecast Updated today
Updated 11 June 2026 22:45 BST
Long-Range Snow Forecast for Happo One
Long-range (14 to 45 days) from 11 June.
For Forecast detail, see below.
Happo One Snow Forecast Highlights
When will there be fresh snow in Happo One?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Happo One. |
Long-range Snow Outlook for Happo One
Snowfall
Snow Line
Max 28℃ 81°F
Min 9℃ 47°F
Snow unlikely
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Happo One Long-Range (2 weeks+) Snow Forecast Outlook
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Thu 11 |  | Fair at altitude, cloudy below. | Max 21℃ 70°F Min 15℃ 59°F |
| Fri 12 |  | Light drizzle. | Max 20℃ 68°F Min 13℃ 56°F |
| Sat 13 |  | Clear sky. | Max 23℃ 73°F Min 11℃ 51°F |
| Sun 14 | | Clear sky. | Max 25℃ 78°F Min 15℃ 59°F |
| Mon 15 | | Cloudy. | Max 22℃ 71°F Min 10℃ 51°F |
| Tue 16 | | Clear sky. | Max 25℃ 76°F Min 9℃ 47°F |
| Wed 17 |  | Clear spells. | Max 28℃ 81°F Min 11℃ 51°F |
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No significant snowfall is forecast for this period.
This Snow Forecast for Happo One, Japan gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Happo One, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Happo One Snow Forecast updated at 22:45 BST, next update expected 01:00 BST.
Ensemble forecast for Happo One, Japan at 760m
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
Snow Reliability
Happo One typically enjoys reliable snow conditions, with an average snow depth of 3 to 4 meters during peak season. For the latest snow reports and updates, check J2Ski.
Off-Piste Safety in Happo One
Before skiing or snowboarding off-piste in Happo One, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.