Tsugaike Kogen 7-Day Snow Forecast

Tsugaike Kogen Long-Range Snow Forecast Updated today

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Updated 12 April 2026 16:40 NZST

Long-Range Snow Forecast for Tsugaike Kogen

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

For Forecast detail, see below.

Tsugaike Kogen Snow Forecast Highlights

When will there be fresh snow in Tsugaike Kogen?

Tsugaike Kogen Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,240m)
Next Snow?
There is no snow currently in the forecast for Tsugaike Kogen.

Long-range Snow Outlook for Tsugaike Kogen

Snowfall

Snow Line

Max 20℃
Min 6℃

Snow unlikely

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Tsugaike 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 Tsugaike Kogen from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Sun 12	Clear sky.	Max 14℃ Min 6℃
Mon 13	Fair at altitude, clear sky below.	Max 20℃ Min 6℃
Tue 14	Clear sky.	Max 19℃ Min 7℃
Wed 15	Light drizzle.	Max 14℃ Min 8℃
Thu 16	Clear sky.	Max 14℃ Min 8℃
Fri 17	Clear spells.	Max 18℃ Min 8℃
Sat 18	Light drizzle.	Max 11℃ Min 7℃

No significant snowfall is forecast for this period.

This Snow Forecast for Tsugaike 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 Tsugaike 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.

Tsugaike Kogen Snow Forecast updated at 16:40 NZST, next update expected imminently.

Ensemble forecast for Tsugaike Kogen, Japan at 800m

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

Tsugaike Kogen typically enjoys reliable snow conditions, with an average snow depth of 2-3 meters during peak season. For the latest snow information, check J2Ski for up-to-date details on snowfall and conditions.

Off-Piste Safety in Tsugaike Kogen

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