J2Ski USA J2Ski logo
Facebook

Shiga Ichinose Diamond Snow Forecast - 29th September 2026

Shiga Ichinose Diamond Snow Report and Forecast

ECMWF IFS
GFS
JMA

PROSubscribe to Switch Weather Model

Updated 28 September 2026 14:40 PDT

Snow Forecast for Shiga Ichinose Diamond

Snow and Weather from 29 September.

For Forecast detail, see below.

Shiga Ichinose Diamond Snow Forecast Highlights

When will there be fresh snow in Shiga Ichinose Diamond?

Shiga Ichinose Diamond Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (5,430ft)
Next Snow?
There is no snow currently in the forecast for Shiga Ichinose Diamond.

Forecast for today in Shiga Ichinose Diamond

Max 54°F
Min 48°F

Valley temperatures from an overnight low of 48°F to daytime highs around 54°F

Temperature at BaseTemp at Base

Tue
29

Snow unlikely

RainLt DrizzleClearClear

Rain, light drizzle, clear sky later.

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

Partner Offers

Shiga Ichinose Diamond 7-Day Snow Forecast Overview

Get this snow forecast by e-mail

Summary Weather and Snow Forecast for Shiga Ichinose Diamond from OpenMeteo(JMA)
Tue
29
Wed
30
Thu
01
Fri
02
Sat
03
Sun
04
Mon
05
Wind
5,610ft
53°F
Rain
60°F
Clear
61°F
Fair
54°F
Clear
58°F
Clear
54°F
Cloud
57°F
Lt Rain
5,430ft
53°F
Rain
60°F
Clear
62°F
Fair
54°F
Clear
58°F
Clear
55°F
Cloud
57°F
Lt Rain
5,249ft
54°F
Rain
61°F
Clear
62°F
Fair
55°F
Clear
59°F
Clear
56°F
Cloud
58°F
Lt Rain
Snow Line
Max Town54°F61°F62°F55°F59°F56°F58°F
Min Town48°F44°F52°F42°F39°F48°F48°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.

Snow Reliability

Shiga Ichinose Diamond typically enjoys consistent snowfall throughout the season, with snow depths averaging around 2 meters. For the latest snow conditions, including snowfall updates, check J2Ski for reliable information.

Understanding and predicting Snow Conditions in Shiga Ichinose Diamond

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