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snowy resort
Ski Japan - Nagano

Asahi Prime Snow Forecast

36.12° N 137.83° E

Weather Forecast for Asahi Prime at 1000m altitude

Issued:
8 am 31 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 22.0mm), heaviest during Mon afternoon. Warm (max 27°C on Wed afternoon, min 19°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 47.0mm), heaviest during Fri morning. Warm (max 22°C on Thu morning, min 15°C on Fri night). Wind will be generally light.

Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
part cloud
thunderstorm
light rain
thunderstorm
light rain
mod rain
heavy rain
heavy rain
rain showers
clear
clear
part cloud
rain shwrs
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
some clouds
t-storm
risk
light rain
t-storm
risk
light rain
mod. rain
heavy rain
heavy rain
rain shwrs
clear
clear
some clouds
km/h
5
SE
5
SSW
5
SSW
5
SSW
5
SSW
5
SW
5
SSW
5
SSW
5
SW
10
SW
5
WSW
5
WSW
0
WSW
5
E
10
NNE
10
NNE
10
NE
5
NE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
6
1
1
4
1
3
5
1
2
8
15
15
6
max °C
25
25
21
26
26
21
26
27
21
22
21
19
18
17
16
21
22
17
min °C
23
23
20
23
23
19
22
23
20
21
21
18
18
16
15
17
19
15
 chill °C
23
23
20
23
23
19
22
23
20
21
21
18
18
16
15
17
19
15
Humid %
79
73
94
81
66
92
74
53
85
80
81
86
98
95
97
79
57
92
Freeze m
5200
5200
5200
5150
5100
5050
4900
4750
4850
4850
4850
4900
4650
4750
4850
4700
4550
4850
Sea lvl1000m2000m3000m4000m5000m
242320242420242521222118171615182015252419262519262520222118181716202115
Sunrise
5:18
5:18
5:20
5:20
5:20
5:22
Sunset
6:17
6:16
6:15
6:14
6:13
6:10

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Asahi Prime:

No recent snow reports

No recent snow reports

Asahi Prime Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:10 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 4 of August 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.

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