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Kusatsu Onsen Snow Forecast - 23rd May 2026

Kusatsu Onsen Snow Report and Forecast

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JMA

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Updated 22 May 2026 20:41 PDT

Snow Forecast for Kusatsu Onsen

Snow and Weather from 23 May.

For Forecast detail, see below.

Kusatsu Onsen Snow Forecast Highlights

When will there be fresh snow in Kusatsu Onsen?

Kusatsu Onsen Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (4,667ft)
Next Snow?
There is no snow currently in the forecast for Kusatsu Onsen.

Forecast for today in Kusatsu Onsen

Max 50°F
Min 44°F

Valley temperatures from an overnight low of 44°F to daytime highs around 50°F

Temperature at BaseTemp at Base

Sat
23

Snow unlikely

MixedMixedCloudLt Drizzle

Clear spells, cloudy, light drizzle later.

Forecast times for Kusatsu Onsen are in Tokyo (Asia/Tokyo) time zone.

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Kusatsu Onsen 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Kusatsu Onsen from OpenMeteo(JMA)
Sat
23
Sun
24
Mon
25
Tue
26
Wed
27
Thu
28
Fri
29
WindNW F2
5,249ft
46°F
Mixed
47°F
Cloud
63°F
Fair
64°F
Mixed
57°F
Lt Drizzle
65°F
Shwrs
69°F
Clear
NW F2
4,667ft
49°F
Mixed
49°F
Cloud
65°F
Fair
66°F
Mixed
60°F
Lt Drizzle
67°F
Shwrs
71°F
Clear
NW F2
4,085ft
50°F
Mixed
51°F
Cloud
68°F
Clear
68°F
Mixed
62°F
Lt Drizzle
70°F
Shwrs
73°F
Clear
Snow Line
Max Town50°F51°F68°F68°F62°F70°F73°F
Min Town44°F44°F47°F51°F55°F54°F50°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Snow Reliability

Kusatsu Onsen typically experiences reliable snowfall, with an average snow depth of 200 cm during peak season. For the latest snow conditions, including depth and weather updates, check J2Ski for accurate information.

Understanding and predicting Snow Conditions in Kusatsu Onsen

Here are our tips for making the most of a trip to Kusatsu Onsen, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Kusatsu Onsen, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Kusatsu Onsen is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Kusatsu Onsen will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Kusatsu Onsen for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.