Rusutsu 7-Day Snow Forecast

Rusutsu Long-Range Snow Forecast

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Long-Range Snow Forecast for Rusutsu

This is the Long-range (10, 14 and 45 day)Snow Forecast for Rusutsu from 18 January.

Updated 18 January 2026 02:06 UTC.

For Forecast detail, see below.

Rusutsu Snow Forecast Highlights

When will there be fresh snow in Rusutsu?

Rusutsu Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (697m)
Next Snow Expected	18 January
Next Snow Amount	1cm 1in
Next 48 Hours	12cm 5in
Next 7 Days	20cm 8in

Long-range Snow Outlook for Rusutsu

Snowfall

Snow Line

20cm 8in New Snow

Snow falling to resort level ( 400m 1,312ft ).

Powder Alert!

Powder Alarm issued 18 January 2026 02:18 UTC

Powder Possible :- 12cm 5in of Fresh Snow is forecast for Rusutsu over the next 2 days.

*
JMA - at altitude

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Rusutsu 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 Rusutsu from OpenMeteo(JMA)
	Snow and Weather	Temp Town
Sun 18	1cm 1in New Snow Light snow showers. Snow falling to resort level ( 400m 1,312ft ).	Max -3℃ 27°F Min -9℃ 16°F
Mon 19	1cm 1in New Snow Light snow. Snow falling to resort level ( 400m 1,312ft ).	Max -5℃ 24°F Min -10℃ 14°F
Tue 20	9cm 4in New Snow Heavy snow showers. Snow falling to resort level ( 400m 1,312ft ).	Max -9℃ 16°F Min -13℃ 9°F
Wed 21	3cm 1in New Snow Snow showers. Snow falling to resort level ( 400m 1,312ft ).	Max -6℃ 22°F Min -10℃ 14°F
Thu 22	2cm 1in New Snow Light snow. Snow falling to resort level ( 400m 1,312ft ).	Max -5℃ 22°F Min -9℃ 16°F
Fri 23	2cm 1in New Snow Light snow. Snow falling to resort level ( 400m 1,312ft ).	Max -7℃ 19°F Min -9℃ 16°F
Sat 24	1cm New Snow Light snow. Snow falling to resort level ( 400m 1,312ft ).	Max -6℃ 20°F Min -10℃ 14°F

This Snow Forecast for Rusutsu, 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 Rusutsu, 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.

Rusutsu Snow Forecast updated at 02:06 UTC, next update expected 05:00 UTC.

Ensemble forecast for Rusutsu, Japan at 400m

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 Rusutsu

Snow Forecasts for Ski Resorts near Rusutsu
Ski Area	48 Hr	7 Day
Niseko Kokusai Moiwa	31cm 12in	63cm 25in
Niseko Annupuri	24cm 9in	56cm 22in
Niseko Hanazono	20cm 8in	53cm 21in
Niseko	18cm 7in	50cm 20in
Niseko Grand Hirafu	18cm 7in	50cm 20in
Niseko Village/Higashiyama	18cm 7in	50cm 20in
Kiroro	16cm 6in	36cm 14in

Snow Reliability

Rusutsu enjoys reliable snowfall, with an average snow depth of around 10 meters each season. For the latest snow conditions and updates, check J2Ski for the most accurate information.

Off-Piste Safety in Rusutsu

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