Geto Kogen 7-Day Snow Forecast

Geto Kogen Long-Range Snow Forecast Updated today

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Updated 13 April 2026 10:41 NZST

Long-Range Snow Forecast for Geto Kogen

Long-range (14 to 45 days) from 12 April.

For Forecast detail, see below.

Geto Kogen Snow Forecast Highlights

When will there be fresh snow in Geto Kogen?

Geto Kogen Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (855m)
Next Snow?
There is no snow currently in the forecast for Geto Kogen.

Long-range Snow Outlook for Geto Kogen

Snowfall

Snow Line

Max 16℃
Min 2℃

Snow unlikely

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Geto Kogen 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 Geto Kogen from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Sun 12	Clear sky.	Max 6℃ Min 2℃
Mon 13	Clear sky.	Max 14℃ Min 3℃
Tue 14	Clear sky.	Max 15℃ Min 5℃
Wed 15	Fair.	Max 14℃ Min 6℃
Thu 16	Clear spells.	Max 14℃ Min 3℃
Fri 17	Clear spells.	Max 12℃ Min 2℃
Sat 18	Clear spells.	Max 16℃ Min 2℃

No significant snowfall is forecast for this period.

This Snow Forecast for Geto Kogen, 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 Geto Kogen, 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.

Geto Kogen Snow Forecast updated at 10:41 NZST, next update expected 16:00 NZST.

Ensemble forecast for Geto Kogen, Japan at 640m

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

Geto Kogen enjoys reliable snow conditions, typically boasting a snow depth of 2 to 3 meters during peak season. Snowfall is consistent, but for the latest updates, check J2Ski for current snow conditions.

Off-Piste Safety in Geto Kogen

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