Alts Bandai 7-Day Snow Forecast

Alts Bandai Long-Range Snow Forecast Updated today

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Updated 23 May 2026 09:11 IST

Long-Range Snow Forecast for Alts Bandai

Long-range (14 to 45 days) from 23 May.

For Forecast detail, see below.

Alts Bandai Snow Forecast Highlights

When will there be fresh snow in Alts Bandai?

Alts Bandai Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (990m)
Next Snow?
There is no snow currently in the forecast for Alts Bandai.

Long-range Snow Outlook for Alts Bandai

Snowfall

Snow Line

Max 24℃
Min 9℃

Snow unlikely

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Alts Bandai 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 Alts Bandai from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Sat 23	Clear spells.	Max 17℃ Min 9℃
Sun 24	Clear spells.	Max 16℃ Min 10℃
Mon 25	Clear sky.	Max 23℃ Min 12℃
Tue 26	Clear spells.	Max 23℃ Min 12℃
Wed 27	Cloudy.	Max 21℃ Min 14℃
Thu 28	Rain showers.	Max 24℃ Min 15℃
Fri 29	Light drizzle.	Max 20℃ Min 13℃

No significant snowfall is forecast for this period.

This Snow Forecast for Alts Bandai, 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 Alts Bandai, 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.

Alts Bandai Snow Forecast updated at 09:11 IST, next update expected 14:30 IST.

Ensemble forecast for Alts Bandai, Japan at 700m

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.

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Snow Reliability

Alts Bandai typically enjoys reliable snow conditions, with average snow depths of 150-200 cm throughout the season. For the latest snow information, including snowfall and conditions, visitors are encouraged to check J2Ski.

Off-Piste Safety in Alts Bandai

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