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Kiroro 7-Day Snow Forecast - 21st September 2026

Kiroro Snow Forecast - 7 day

ECMWF IFS
GFS
JMA

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Updated 20 September 2026 14:42 PDT

7-Day Snow Forecast for Kiroro

1-week from 21 September.

For Forecast detail, see below.

Kiroro 7-Day Snow Forecast Highlights

When will there be fresh snow in Kiroro?

Kiroro Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (2,871ft)
Next Snow?
There is no snow currently in the forecast for Kiroro.

7-Day Snow Outlook for Kiroro

 
Snowfall

 
Snow Line

Max 69°F
Min 39°F

Snow unlikely

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Kiroro 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 69°F
Min 54°F

Valley temperatures from an overnight low of 54°F to daytime highs around 69°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearClearMixed

Clear sky early, then clear spells later.

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

Max 60°F
Min 51°F

Valley temperatures from an overnight low of 51°F to daytime highs around 60°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearFairClearClear

Clear sky, fair, clear sky later.

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

Max 66°F
Min 48°F

Valley temperatures from an overnight low of 48°F to daytime highs around 66°F

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

ClearFairClearLt Drizzle

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

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

Max 59°F
Min 43°F

Valley temperatures from an overnight low of 43°F to daytime highs around 59°F

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

Lt DrizzleShwrsClearClear

Light drizzle, rain showers, clear sky later.

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

Max 61°F
Min 40°F

Valley temperatures from an overnight low of 40°F to daytime highs around 61°F

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

ClearClearClearClear

Clear sky.

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

Max 65°F
Min 39°F

Valley temperatures from an overnight low of 39°F to daytime highs around 65°F

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

ClearFairClearCloud

Clear sky first, fair then clear sky, cloudy later.

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

Max 65°F
Min 46°F

Valley temperatures from an overnight low of 46°F to daytime highs around 65°F

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

CloudMixedLt DrizzleLt Drizzle

Cloudy, clear spells, light drizzle later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Kiroro, 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 Kiroro, 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.

Kiroro Snow Forecast updated at 14:42 PDT, next update expected imminently.

Snow Reliability

Kiroro is known for its reliable snow conditions, with an average snowfall of over 10 meters each season. Visitors can typically expect excellent snow depth throughout the winter, but it's advisable to check the latest conditions on J2Ski for up-to-date information.