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Iwappara 7-Day Snow Forecast - 21st March 2026

Iwappara Snow Forecast - 7 day

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GFS
JMA

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Updated 21 March 2026 09:42 AEDT

7-Day Snow Forecast for Iwappara

1-week from 21 March.

For Forecast detail, see below.

Iwappara 7-Day Snow Forecast Highlights

When will there be fresh snow in Iwappara?

Iwappara Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (693m)
Next Snow?
There is no snow currently in the forecast for Iwappara.

7-Day Snow Outlook for Iwappara

 
Snowfall

 
Snow Line

Max 15℃
Min -2℃

1cm New Snow

Snow Line from 723m to resort level (400m).

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Iwappara 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 5℃
Min -2℃

Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 5℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

Snow unlikely

FairClearClearClear

Fair early, then clear sky later.

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

Max 12℃
Min -2℃

Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 12℃

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

ClearFairFairClear

Clear sky, fair, clear sky later.

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

Max 12℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃

Temperature at BaseTemp at Base

Mon
23

Snow unlikely

FairFairMixedLt Drizzle

Fair, clear spells, light drizzle later.

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

Max 8℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 8℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
24

Snow unlikely

MixedClearFairLt Drizzle

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

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

Max 9℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 9℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

Snow unlikely

Lt DrizzleDrizzleLt DrizzleLt Drizzle

Light drizzle, drizzle, light drizzle later.

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

Max 11℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 11℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Thu
26

Snow unlikely

FairFairCloudFair

Fair, cloudy, fair later.

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

Max 15℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 15℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Fri
27

Snow unlikely

ClearClearMixedLt Drizzle

Clear sky, clear spells, light drizzle later.

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

This Snow Forecast for Iwappara, 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 Iwappara, 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.

Iwappara Snow Forecast updated at 09:42 AEDT, next update expected 15:00 AEDT.

Snow Forecast near Iwappara

Snow Forecasts for Ski Resorts near Iwappara
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Kawaba-14cm
Naeba1cm 8cm
Kagura1cm 6cm
Yuzawa Kogen1cm 1cm

Snow Reliability

Iwappara typically enjoys good snow reliability, with an average snow depth of 1-2 meters during peak season. For the latest snow conditions and updates, check J2Ski for current information.