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Niseko Grand Hirafu 7-Day Snow Forecast - 21st March 2026

Niseko Grand Hirafu Snow Forecast - 7 day

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Updated 20 March 2026 15:43 PDT

7-Day Snow Forecast for Niseko Grand Hirafu

1-week from 21 March.

For Forecast detail, see below.

Niseko Grand Hirafu 7-Day Snow Forecast Highlights

When will there be fresh snow in Niseko Grand Hirafu?

Niseko Grand Hirafu Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (2,638ft)
Next Snow Expected21 March
Next Snow Amount4in
Next 48 Hours4in
Next 7 Days5in

7-Day Snow Outlook for Niseko Grand Hirafu

 
Snowfall

 
Snow Line

Max 46°F
Min 23°F

5in New Snow

Snow Line from 3,156ft to resort level (984ft).

Powder Alert!

Powder Alarm issued 20 March 2026 16:50 PDT

Powder Possible :- 6in of Fresh Snow is forecast for Niseko Grand Hirafu over the next 2 days.

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Niseko Grand Hirafu 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 31°F
Min 26°F

Below freezing at all levels, with valley temperatures as low as 26°F and not getting above 31°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

4in New Snow

ClearFairClearFair

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

Snow falling to resort level (984ft).

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Max 45°F
Min 25°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 25°F and rising to 45°F

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

FairFairFairCloud

Fair early, then cloudy later.

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Max 46°F
Min 28°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 28°F and rising to 46°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
23

New Snow

FairLt DrizzleClearFair

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

Snow Line from 3,156ft to 1,995ft, with rain below.

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Max 37°F
Min 25°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 25°F and rising to 37°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
24

Snow unlikely

MixedFairLight SnowMixed

Clear spells first, fair then light snow, clear spells later.

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Max 41°F
Min 23°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 23°F and rising to 41°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

Snow unlikely

ClearFairMixedFair

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

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Max 46°F
Min 29°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 29°F and rising to 46°F

Temperature at BaseTemp at Base

Thu
26

Snow unlikely

ClearClearMixedLight Snow

Clear sky, clear spells, light snow later.

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

Max 43°F
Min 32°F

Valley temperatures from an overnight low of 32°F to daytime highs around 43°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
27

Snow unlikely

MixedFairMixedCloud

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

Forecast times for Niseko Grand Hirafu are in Tokyo (Asia/Tokyo) time zone.

This Snow Forecast for Niseko Grand Hirafu, 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 Niseko Grand Hirafu, 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.

Niseko Grand Hirafu Snow Forecast updated at 15:43 PDT, next update expected 18:00 PDT.

Snow Forecast near Niseko Grand Hirafu

Snow Forecasts for Ski Resorts near Niseko Grand Hirafu
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Niseko Annupuri5in 6in
Niseko5in 5in
Niseko Village/Higashiyama5in 5in
Kiroro6in 6in
Niseko Hanazono4in 4in
Niseko Kokusai Moiwa4in 5in
Rusutsu4in 4in

Snow Reliability

Niseko Grand Hirafu enjoys exceptional snow reliability, with an average snowfall of over 15 meters each season. Snow depths typically range from 1 to 3 meters, encouraging skiers to check J2Ski for the latest snow reports.