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Arai 7-Day Snow Forecast - 21st March 2026

Arai Snow Forecast - 7 day

ECMWF IFS
GFS
JMA

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Updated 20 March 2026 15:43 PDT

7-Day Snow Forecast for Arai

1-week from 21 March.

For Forecast detail, see below.

Arai 7-Day Snow Forecast Highlights

When will there be fresh snow in Arai?

Arai Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (2,639ft)
Next Snow?
There is no snow currently in the forecast for Arai.

7-Day Snow Outlook for Arai

 
Snowfall

 
Snow Line

Max 61°F
Min 37°F

Snow unlikely

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Arai Medium-Range (7-Day) Snow Forecast Detail

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.

Max 56°F
Min 37°F

Valley temperatures from an overnight low of 37°F to daytime highs around 56°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

ClearFairClearClear

Clear sky, fair, clear sky later.

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

Max 57°F
Min 38°F

Valley temperatures from an overnight low of 38°F to daytime highs around 57°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

FairFairFairCloud

Fair early, then cloudy later.

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

Max 57°F
Min 42°F

Valley temperatures from an overnight low of 42°F to daytime highs around 57°F

Temperature at BaseTemp at Base

Mon
23

Snow unlikely

Lt DrizzleClearClearFair

Light drizzle, clear sky, fair later.

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

Max 56°F
Min 43°F

Valley temperatures from an overnight low of 43°F to daytime highs around 56°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
24

Snow unlikely

ClearCloudCloudLt Drizzle

Clear sky, cloudy, light drizzle later.

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

Max 50°F
Min 48°F

Valley temperatures from an overnight low of 48°F to daytime highs around 50°F

Temperature at BaseTemp at Base

Wed
25

Snow unlikely

Lt RainRainHvy DrizzleLt Drizzle

Light rain first, rain then heavy drizzle, light drizzle later.

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

Max 58°F
Min 48°F

Valley temperatures from an overnight low of 48°F to daytime highs around 58°F

Temperature at BaseTemp at Base

Thu
26

Snow unlikely

Lt DrizzleClearFairFair

Light drizzle, clear sky, fair later.

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

Max 61°F
Min 45°F

Valley temperatures from an overnight low of 45°F to daytime highs around 61°F

Temperature at BaseTemp at Base

Fri
27

Snow unlikely

ClearFairLt DrizzleCloud

Clear sky first, fair then light drizzle, cloudy later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Arai, 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 Arai, on any given trail 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.

Arai Snow Forecast updated at 15:43 PDT, next update expected 21:00 PDT.

Snow Reliability

Arai typically sees consistent snowfall throughout the winter, with average snow depths reaching up to 3 meters. For the latest snow conditions, be sure to check J2Ski for real-time information.