Myoko Akakura / Shinakakura 7-Day Snow Forecast

Myoko Akakura / Shinakakura Long-Range Snow Forecast Updated today

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Updated 21 July 2026 10:42 BST

Long-Range Snow Forecast for Myoko Akakura / Shinakakura

Long-range (14 to 45 days) from 21 July.

For Forecast detail, see below.

Myoko Akakura / Shinakakura Snow Forecast Highlights

When will there be fresh snow in Myoko Akakura / Shinakakura?

Myoko Akakura / Shinakakura Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,085m)
Next Snow?
There is no snow currently in the forecast for Myoko Akakura / Shinakakura.

Long-range Snow Outlook for Myoko Akakura / Shinakakura

Snowfall

Snow Line

Max 30℃ 85°F
Min 19℃ 67°F

Snow unlikely

Myoko Akakura / Shinakakura 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.

16 Day Weather and Snow Forecast for Myoko Akakura / Shinakakura from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Tue 21	Snow showers at altitude, rain below.	Max 26℃ 80°F Min 23℃ 73°F
Wed 22	Clear sky.	Max 30℃ 85°F Min 22℃ 72°F
Thu 23	Light snow showers at altitude, light rain showers below.	Max 27℃ 80°F Min 21℃ 70°F
Fri 24	Fair.	Max 26℃ 79°F Min 22℃ 71°F
Sat 25	Light drizzle.	Max 25℃ 77°F Min 20℃ 69°F
Sun 26	Clear spells.	Max 26℃ 78°F Min 19℃ 67°F
Mon 27	Clear spells.	Max 27℃ 80°F Min 21℃ 69°F

No significant snowfall is forecast for this period.

This Snow Forecast for Myoko Akakura / Shinakakura, 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 Myoko Akakura / Shinakakura, 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.

Myoko Akakura / Shinakakura Snow Forecast updated at 10:42 BST, next update expected imminently.

Ensemble forecast for Myoko Akakura / Shinakakura, Japan at 660m

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Reliability

Myoko Akakura typically receives substantial snowfall, with depths averaging between 2 to 5 meters during peak season. For the latest snow conditions and updates, check J2Ski for reliable information.

Off-Piste Safety in Myoko Akakura / Shinakakura

Before skiing or snowboarding off-piste in Myoko Akakura / Shinakakura, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.