Akitaken Tazawako Kogen 7-Day Snow Forecast

Akitaken Tazawako Kogen Long-Range Snow Forecast Updated today

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Updated 20 March 2026 17:42 CDT

Long-Range Snow Forecast for Akitaken Tazawako Kogen

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

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 Expected	20 March
Next Snow Amount	5cm
Next 48 Hours	10cm
Next 7 Days	10cm

Long-range Snow Outlook for Akitaken Tazawako Kogen

Snowfall

Snow Line

Max 11℃
Min -6℃

10cm New Snow

Snow Line from 900m to resort level (500m).

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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 20	6cm New Snow Light snow showers. Snow Line from 608m to resort level (500m).	Max 5℃ Min -2℃
Sat 21	4cm New Snow Snow showers. Snow falling to resort level (500m).	Max 0℃ Min -4℃
Sun 22	Clear sky.	Max 7℃ Min -2℃
Mon 23	Clear spells.	Max 10℃ Min 2℃
Tue 24	Clear sky.	Max 5℃ Min -6℃
Wed 25	Fair.	Max 10℃ Min -7℃
Thu 26	Clear spells.	Max 11℃ Min 1℃

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 17:42 CDT, next update expected 23:00 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.

Snow Forecast near Akitaken Tazawako Kogen

Snow Forecasts for Ski Resorts near Akitaken Tazawako Kogen
Ski Area	48 Hr	7 Day	Fr	Sa	Su	Mo	Tu	We	Th
Hachimantai	10cm	11cm

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.