Geto Kogen 7-Day Snow Forecast

Geto Kogen Long-Range Snow Forecast Updated today

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Updated 12 June 2026 19:42 AEST

Long-Range Snow Forecast for Geto Kogen

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

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 25℃
Min 8℃

Snow unlikely

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
Fri 12	Snow showers at altitude, light rain showers below.	Max 19℃ Min 14℃
Sat 13	Light drizzle.	Max 18℃ Min 13℃
Sun 14	Clear sky.	Max 25℃ Min 13℃
Mon 15	Clear sky at altitude, rain showers below.	Max 23℃ Min 10℃
Tue 16	Fair.	Max 20℃ Min 9℃
Wed 17	Fair.	Max 22℃ Min 9℃
Thu 18	Clear spells.	Max 24℃ Min 8℃

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 trail 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 19:42 AEST, next update expected 01:00 AEST.

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.