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snowy resort
Ski Japan - Gunma

Tanbara Snow Forecast

36.78° N 139.08° E
1375m altitude
Issued:
8 pm 16 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 14.0mm), heaviest on Wed afternoon. Warm (max 21°C on Wed morning, min 16°C on Sun night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 37.0mm), heaviest during Thu afternoon. Warm (max 20°C on Thu morning, min 18°C on Wed night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
rain showers
cloud
part cloud
part cloud
clear
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
rain showers
rain showers
mod rain
mod rain
light rain
light rain
rain shwrs
cloudy
some clouds
some clouds
clear
rain shwrs
t-storm
risk
some clouds
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
mod. rain
mod. rain
km/h
10
S
10
S
10
S
10
S
5
SSE
10
S
10
S
0
NE
5
SSW
5
SSW
5
NNW
5
SW
5
SSW
0
WNW
5
S
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
2
1
7
3
14
1
2
7
6
max °C
16
18
18
17
20
20
18
21
20
19
20
20
18
19
19
18
min °C
16
17
18
16
17
19
17
19
19
18
20
19
18
18
19
18
 chill °C
16
17
18
16
17
19
17
19
19
18
20
19
18
18
19
18
Humid %
97
93
93
97
89
76
90
84
89
97
82
90
98
91
93
93
Freeze m
5150
5100
5000
5150
5050
5150
5050
5100
5000
5100
4900
4950
4950
4950
5000
5050
Sea lvl1000m2000m3000m4000m5000m
1517171618191719191819181718181716191917212117222018222018212018
Sunrise
5:01
5:01
5:03
5:03
5:05
Sunset
6:32
6:31
6:30
6:29
6:28

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Tanbara:

No recent snow reports

No recent snow reports

Tanbara Snow Conditions

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

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Snow History

Week 3 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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