Shiga Giant 7-Day Snow Forecast

Shiga Giant Snow Report and Forecast

ECMWF IFS

GFS

JMA

PROSubscribe to Switch Weather Model

Updated 21 March 2026 05:43 NZDT

Snow Forecast for Shiga Giant

Snow and Weather from 20 March.

For Forecast detail, see below.

Shiga Giant Snow Forecast Highlights

When will there be fresh snow in Shiga Giant?

Shiga Giant Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,460m)
Next Snow Expected	30 March
Next Snow Amount	3cm
Next 48 Hours	-
Next 7 Days	-

Forecast for today in Shiga Giant

Max 5℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 5℃

Temperature at BaseTemp at Base

Fri
20

Snow unlikely

Fair early, then clear sky later.

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

Partner Offers

Shiga Giant 7-Day Snow Forecast Overview

Get this snow forecast by e-mail

Summary Weather and Snow Forecast for Shiga Giant from OpenMeteo(JMA)
	Fri 20	Sat 21	Sun 22	Mon 23	Tue 24	Wed 25	Thu 26
Wind
1,580m	3℃	3℃	7℃	7℃	6℃	5℃	8℃

1,460m	4℃	4℃	8℃	7℃	7℃	5℃	9℃

1,340m	5℃	5℃	9℃	8℃	8℃	6℃	10℃
Snow Line				1,340m
Max Town	5℃	5℃	9℃	8℃	8℃	6℃	10℃
Min Town	-2℃	-4℃	-5℃	0℃	1℃	2℃	2℃

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.

Snow Forecast near Shiga Giant

Snow Forecasts for Ski Resorts near Shiga Giant
Ski Area	48 Hr	7 Day
Shiga Higashitateyama	-	4cm
Shiga Okusiga Kogen	-	4cm
Shiga Yakebitaiyama	-	4cm
Shiga Ichinose Diamond	-	1cm

Snow Reliability

Shiga Giant typically enjoys reliable snow conditions, with an average snow depth of 2 to 3 meters during peak season. For the latest snow information, including current conditions and forecasts, visit J2Ski.

Understanding and predicting Snow Conditions in Shiga Giant

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