J2Ski USA J2Ski logo
Facebook

Niseko Kokusai Moiwa Snow Forecast - 21st June 2026

Niseko Kokusai Moiwa Snow Report and Forecast

ECMWF IFS
GFS
JMA

PROSubscribe to Switch Weather Model

Updated 20 June 2026 14:47 PDT

Snow Forecast for Niseko Kokusai Moiwa

Snow and Weather from 21 June.

For Forecast detail, see below.

Niseko Kokusai Moiwa Snow Forecast Highlights

When will there be fresh snow in Niseko Kokusai Moiwa?

Niseko Kokusai Moiwa Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,854ft)
Next Snow?
There is no snow currently in the forecast for Niseko Kokusai Moiwa.

Forecast for today in Niseko Kokusai Moiwa

Max 66°F
Min 57°F

Valley temperatures from an overnight low of 57°F to daytime highs around 66°F

Temperature at BaseTemp at Base

Sun
21

Snow unlikely

FairCloudMixedCloud

Fair first, cloudy then clear spells, cloudy later.

Forecast times for Niseko Kokusai Moiwa are in Tokyo (Asia/Tokyo) time zone.

Niseko Kokusai Moiwa 7-Day Snow Forecast Overview

Get this snow forecast by e-mail

Summary Weather and Snow Forecast for Niseko Kokusai Moiwa from OpenMeteo(JMA)
Sun
21
Mon
22
Tue
23
Wed
24
Thu
25
Fri
26
Sat
27
WindSE F2SW F2
2,625ft
60°F
Fair
56°F
Cloud
56°F
Mixed
55°F
Fair
61°F
Lt Drizzle
67°F
Mixed
65°F
Drizzle
SE F2SW F2
1,854ft
63°F
Fair
59°F
Cloud
59°F
Mixed
58°F
Fair
64°F
Lt Drizzle
70°F
Mixed
67°F
Drizzle
SE F2SE F2SW F2
1,083ft
66°F
Fair
62°F
Cloud
62°F
Mixed
61°F
Fair
67°F
Lt Drizzle
73°F
Mixed
70°F
Drizzle
Snow Line
Max Town66°F62°F62°F61°F67°F73°F70°F
Min Town57°F52°F50°F51°F52°F54°F57°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.

Japan Accommodation (Apartments, Chalets, Hotels) Map

 

Snow Reliability

Niseko Kokusai Moiwa enjoys a reliable snow season, with snow depths often reaching over 3 meters by mid-winter. For the latest snow conditions and updates, check J2Ski for accurate and timely information.

Understanding and predicting Snow Conditions in Niseko Kokusai Moiwa

Here are our tips for making the most of a trip to Niseko Kokusai Moiwa, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Niseko Kokusai Moiwa, 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 Niseko Kokusai Moiwa 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 Niseko Kokusai Moiwa 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 Niseko Kokusai Moiwa 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.