Shiga Okusiga Kogen 7-Day Snow Forecast

Shiga Okusiga Kogen Long-Range Snow Forecast Updated today

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Updated 20 September 2026 13:42 CDT

Long-Range Snow Forecast for Shiga Okusiga Kogen

Long-range (14 to 45 days) from 20 September.

For Forecast detail, see below.

Shiga Okusiga Kogen Snow Forecast Highlights

When will there be fresh snow in Shiga Okusiga Kogen?

Shiga Okusiga Kogen Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,730m)
Next Snow?
There is no snow currently in the forecast for Shiga Okusiga Kogen.

Long-range Snow Outlook for Shiga Okusiga Kogen

Snowfall

Snow Line

Max 19℃
Min 8℃

Snow unlikely

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Shiga Okusiga 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 Shiga Okusiga Kogen from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Sun 20	Cloudy.	Max 18℃ Min 16℃
Mon 21	Clear spells.	Max 19℃ Min 15℃
Tue 22	Clear sky.	Max 19℃ Min 12℃
Wed 23	Fair.	Max 17℃ Min 11℃
Thu 24	Clear sky.	Max 17℃ Min 10℃
Fri 25	Clear spells.	Max 18℃ Min 8℃
Sat 26	Rain showers.	Max 16℃ Min 11℃

No significant snowfall is forecast for this period.

This Snow Forecast for Shiga Okusiga 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 Shiga Okusiga 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.

Shiga Okusiga Kogen Snow Forecast updated at 13:42 CDT, next update expected 19:00 CDT.

Ensemble forecast for Shiga Okusiga Kogen, Japan at 1,460m

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

Shiga Okushiga Kogen typically enjoys a snow depth of 3 to 5 meters during peak season, with consistent snowfall from December to April. For the latest snow conditions, check J2Ski for up-to-date information.

Off-Piste Safety in Shiga Okusiga Kogen

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