Akitaken Tazawako Kogen 7-Day Snow Forecast

Akitaken Tazawako Kogen Long-Range Snow Forecast Updated today

ECMWF IFS

GFS

JMA

PROSubscribe to Switch Weather Model

Updated 21 August 2026 16:46 CDT

Long-Range Snow Forecast for Akitaken Tazawako Kogen

Long-range (14 to 45 days) from 21 August.

For Forecast detail, see below.

Akitaken Tazawako Kogen Snow Forecast Highlights

When will there be fresh snow in Akitaken Tazawako Kogen?

Akitaken Tazawako Kogen Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (850m)
Next Snow?
There is no snow currently in the forecast for Akitaken Tazawako Kogen.

Long-range Snow Outlook for Akitaken Tazawako Kogen

Snowfall

Snow Line

Max 28℃
Min 16℃

Snow unlikely

Akitaken Tazawako 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 Akitaken Tazawako Kogen from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Fri 21	Light drizzle.	Max 27℃ Min 20℃
Sat 22	Clear sky.	Max 28℃ Min 18℃
Sun 23	Clear spells.	Max 27℃ Min 20℃
Mon 24	Fair.	Max 25℃ Min 20℃
Tue 25	Light drizzle.	Max 23℃ Min 21℃
Wed 26	Light rain.	Max 23℃ Min 19℃
Thu 27	Light rain.	Max 23℃ Min 16℃

No significant snowfall is forecast for this period.

This Snow Forecast for Akitaken Tazawako 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 Akitaken Tazawako 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.

Akitaken Tazawako Kogen Snow Forecast updated at 16:46 CDT, next update expected 22:00 CDT.

Ensemble forecast for Akitaken Tazawako Kogen, Japan at 500m

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.

Japan Accommodation (Apartments, Chalets, Hotels) Map

Snow Reliability

Akitaken Tazawako Kogen typically enjoys reliable snow conditions, with an average snow depth of around 2 meters during peak season. For the latest snow information, visiting J2Ski is recommended to stay updated on current conditions.

Off-Piste Safety in Akitaken Tazawako Kogen

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