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snowy resort
Ski Japan - Niigata

Mountain Park Tsunan Snow Forecast

37.02° N 138.63° E

Weather Forecast for Mountain Park Tsunan at 510 m altitude

Issued:
8 pm 27 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 47.0mm), heaviest during Mon morning. Warm (max 21°C on Wed morning, min 13°C on Tue night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 20.0mm), heaviest during Thu afternoon. Very mild (max 19°C on Wed night, min 8°C on Fri night). Wind will be generally light.

Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
heavy rain
mod rain
mod rain
mod rain
light rain
part cloud
clear
clear
part cloud
light rain
mod rain
light rain
light rain
rain showers
clear
rain shwrs
heavy rain
mod. rain
mod. rain
mod. rain
light rain
some clouds
clear
clear
some clouds
light rain
mod. rain
light rain
light rain
rain shwrs
clear
km/h
10
S
0
SSE
5
SW
5
WNW
5
W
0
WNW
0
SSE
0
S
0
NE
10
S
5
SSW
0
N
15
NW
10
NNW
5
NNW
0
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
2
15
9
8
9
4
—
—
—
—
2
10
4
3
1
—
max °C
19
19
19
18
16
15
14
21
21
19
18
17
16
13
13
10
min °C
19
19
19
16
16
15
13
18
18
17
18
17
13
12
11
8
 chill °C
19
19
19
16
16
15
13
18
18
17
18
17
12
11
11
8
Humid %
85
96
95
99
96
90
89
63
65
84
92
99
96
87
70
80
Freeze m
4250
4150
4250
4050
3650
3600
4100
4400
4500
4650
4450
4450
4000
3200
3700
3850
Sea lvl1000m2000m3000m4000m5000m
19181816151413181918171613111181819201717161321201719171514149
Sunrise
—
5:37
—
—
5:37
—
—
5:39
—
—
5:39
—
—
5:41
—
—
Sunset
—
—
5:34
—
—
5:32
—
—
5:30
—
—
5:30
—
—
5:28
—

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

Popular Mountain Park Tsunan Pages

Snow Radar

Latest snow reports near Mountain Park Tsunan:

No recent snow reports

No recent snow reports

Mountain Park Tsunan Snow Conditions

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

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Snow History

Week 4 of September 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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