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Lat Long: 36.78° N 139.08° E
Ski Japan - Gunma

Tanbara Snow Forecast

Weather Forecast for Tanbara at 1375m altitude

Issued: 8 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 38.0mm), heaviest during Tue night. Warm (max 21°C on Mon morning, min 14°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 33.0mm), heaviest during Fri night. Very mild (max 19°C on Sat morning, min 15°C on Wed night). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
clear
clear
part cloud
light rain
heavy rain
heavy rain
rain showers
rain showers
part cloud
light rain
thunderstorm
cloud
light rain
mod rain
mod rain
t-storm
risk
clear
clear
some clouds
light rain
heavy rain
heavy rain
rain shwrs
rain shwrs
some clouds
light rain
t-storm
risk
cloudy
light rain
mod. rain
mod. rain
km/h
5
N
5
NNW
15
NNW
5
NNW
15
N
20
NW
15
SSE
15
SE
20
SSE
10
SE
10
SE
5
SE
5
SE
5
SE
5
NNE
5
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
1
14
18
1
1
1
4
2
8
9
max °C
18
21
21
16
16
14
15
18
19
16
17
18
17
18
17
18
min °C
17
18
18
14
16
14
14
15
17
15
17
17
17
17
17
17
 chill °C
17
18
18
13
15
13
13
14
17
15
17
17
17
17
17
17
Humid %
95
88
54
66
66
95
99
85
66
87
90
91
94
88
92
92
Freeze m
4750
4700
4700
4650
4450
4700
4550
4450
4400
4400
4500
4700
4800
4750
4750
4800
Sea lvl1000m2000m3000m4000m5000m
1719181415131416171516171717161717222113181415191915191917191717
Sunrise
4:56
4:56
4:56
4:58
4:58
Sunset
6:40
6:39
6:38
6:37
6:37

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 2 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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