comScore pixel
snowy resort
Ski Japan - Nagano

Shiga Kogen-Sun Valley Snow Forecast

Lat Long: 36.72° N 138.48° E

Weather Forecast for Shiga Kogen Sun Valley at 1475m altitude

Issued: 2 pm 24 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 31.0mm), heaviest during Thu night. Very mild (max 16°C on Wed afternoon, min 12°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 4.0mm), mostly falling on Sun afternoon. Very mild (max 19°C on Tue morning, min 12°C on Sat night). Wind will be generally light.

Wed
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
light rain
light rain
heavy rain
mod rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
light rain
rain showers
clear
part cloud
clear
light rain
light rain
light rain
light rain
heavy rain
mod. rain
light rain
light rain
rain shwrs
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
some clouds
clear
km/h
0
N
10
SSE
10
SSE
10
SSE
10
S
10
S
10
SW
10
SSW
5
NW
0
N
5
NNW
5
NNW
5
NNE
5
N
5
NNW
5
N
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
2
1
11
9
2
1
1
2
1
max °C
16
13
13
13
13
15
15
14
16
16
14
17
16
14
18
18
14
min °C
14
12
13
12
12
14
15
13
14
15
12
16
14
12
16
16
14
 chill °C
14
11
12
11
11
13
14
13
14
15
12
16
14
12
16
16
14
Humid %
66
88
95
91
91
91
86
88
94
84
91
73
83
78
52
54
85
Freeze m
3800
3950
4200
4450
4400
4650
4550
4350
4700
4750
5050
4650
4450
4100
4150
4000
4300
Sea lvl1000m2000m3000m4000m5000m
15121312131515131516131615131617141612141312151513161612181512191813
Sunrise
4:28
4:28
4:28
4:28
4:28
Sunset
7:07
7:07
7:07
7:07
7:07
7:07

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

Avalanche information: Japan Avalanche Network

Popular Shiga Kogen-Sun Valley Pages

Snow Radar

Latest snow reports near Shiga Kogen-Sun Valley:

No recent snow reports

No recent snow reports

Shiga Kogen-Sun Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

Snow-Forecast Partner Offers

Snow History

Week 4 of June has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.


Snow-Forecast Partner Offers


Map placeholder