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Sun Valley (Nagano) resort snow
Lat Long: 36.71° N 138.49° E
Ski Japan - Nagano

Sun Valley (Nagano) Snow Forecast

Weather Forecast for Sun Valley (Nagano) at 1510m altitude

Issued: 2 am 01 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 30.0mm), heaviest during Fri night. Very mild (max 14°C on Sun morning, min 3°C on Fri night). Mainly fresh winds.

Days 4-6 weather summary:

Heavy rain (total 38.0mm), heaviest during Mon morning. Very mild (max 12°C on Wed morning, min 6°C on Mon night). Wind will be generally light.

Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
thunderstorm
rain showers
clear
clear
part cloud
part cloud
cloud
light rain
heavy rain
light rain
mod rain
light rain
clear
clear
clear
rain showers
clear
mod. rain
risk thun- der
rain shwrs
clear
clear
some clouds
some clouds
cloudy
light rain
heavy rain
light rain
mod. rain
light rain
clear
clear
clear
rain shwrs
clear
km/h
20
SSE
5
SSW
20
W
30
NW
20
NW
5
SW
10
S
15
SW
15
SSW
5
NW
10
WSW
5
WNW
5
NW
10
N
10
SSE
10
SSE
5
SE
10
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
7
7
14
2
22
4
9
2
1
 max °C
9
12
4
10
9
8
14
13
11
10
10
9
7
10
9
12
12
9
 min °C
8
8
3
7
7
8
11
10
9
10
9
6
7
8
7
10
10
8
5
8
-2
3
6
8
10
8
6
10
8
5
6
7
5
9
9
7
91
83
83
57
42
43
46
41
85
100
96
96
91
61
83
70
66
84
3650
3250
2350
2400
2650
3250
3050
2950
4150
4100
3650
2750
2600
3050
3300
3350
3200
3250
Sea lvl1000m2000m3000m4000m5000m
9103888121110109779811118811410971412101097810713127
Sunrise
4:52
4:52
4:50
4:48
4:48
4:47
Sunset
6:32
6:34
6:35
6:36
6:37
6:37

Snow Radar

Latest snow reports near Sun Valley (Nagano):

No recent snow reports

No recent snow reports

Sun Valley (Nagano) Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 1 of May has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.



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