Happo One Snow Forecast - 7 day
Updated 20 March 2026 16:40 GMT
7-Day Snow Forecast for Happo One
1-week from 20 March.
For Forecast detail, see below.
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Happo One 7-Day Snow Forecast Highlights
When will there be fresh snow in Happo One?
| Next Snow Expected | 20 March |
|---|---|
| Next Snow Amount | 3cm 1in |
| Next 48 Hours | 3cm 1in |
| Next 7 Days | 5cm 2in |
7-Day Snow Outlook for Happo One
Snowfall
Snow Line
Max 13℃ 55°F
Min -5℃ 24°F
8cm 3in New Snow
Snow Line from 1,606m 5,269ft to resort level ( 760m 2,493ft ).
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Happo One Medium-Range (7-Day) Snow Forecast Detail
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.
Max 10℃ 50°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 10℃ 50°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
20
up to 3cm up to 1in New Snow
Clear spells first, clear sky then snow showers, clear sky later.
Snow Line from 991m 3,251ft to resort level ( 760m 2,493ft ).
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 7℃ 44°F
Min -5℃ 24°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -5℃ 24°F and rising to 7℃ 44°F
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Clear sky.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 12℃ 54°F
Min -3℃ 27°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ 27°F and rising to 12℃ 54°F
Temperature at BaseTemp at Base
Sun
22
Snow unlikely
Clear spells, fair, clear spells later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 10℃ 51°F
Min 1℃ 35°F
Valley temperatures from an overnight low of 1℃ 35°F to daytime highs around 10℃ 51°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
23
up to 3cm up to 1in New Snow
Light snow at altitude first, fair then clear sky, clear spells later.
Snow Line from 945m 3,100ft to 822m 2,697ft , with rain below.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 12℃ 53°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 12℃ 53°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Tue
24
Snow unlikely
Clear spells early, then light drizzle later.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 10℃ 50°F
Min 3℃ 37°F
Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 10℃ 50°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
25
up to 2cm up to 1in New Snow
Light drizzle.
Snow Line from 1,606m 5,269ft to 975m 3,199ft , with rain below.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
Max 13℃ 55°F
Min 4℃ 39°F
Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 13℃ 55°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
26
up to 1cm New Snow
Light drizzle, clear spells, fair later.
Snow Line from 1,575m 5,167ft to 1,114m 3,655ft , with rain below.
Forecast times for Happo One are in Tokyo (Asia/Tokyo) time zone.
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 16:40 GMT, next update expected imminently.
Snow Forecast near Happo One
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Hakuba 47 | 3cm 1in | 6cm 2in | |||||||
| Tsugaike Kogen | 3cm 1in | 6cm 2in | |||||||
| Hakuba Norikura | 2cm 1in | 4cm 2in | |||||||
| Myoko Suginohara | 1cm - | 4cm 1in | |||||||
| Myoko Akakura / Shinakakura | 1cm - | 2cm 1in | |||||||
| Myoko Ikenotaira | 1cm - | 1cm - |
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.