comScore pixel
snowy resort
Ski Japan - Gunma

Katashina Kogen Snow Forecast

36.81° N 139.23° E

Weather Forecast for Katashina Kogen at 1270m altitude

Issued:
2 pm 15 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 82.0mm), heaviest during Wed night. Very mild (max 17°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 38.0mm), heaviest during Sun morning. Very mild (max 19°C on Mon morning, min 12°C on Fri night). Wind will be generally light.

Tue
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
mod rain
mod rain
mod rain
heavy rain
light rain
light rain
rain showers
part cloud
cloud
part cloud
cloud
light rain
heavy rain
heavy rain
rain showers
rain showers
t-storm
risk
mod. rain
mod. rain
mod. rain
heavy rain
light rain
light rain
rain shwrs
some clouds
cloudy
some clouds
cloudy
light rain
heavy rain
heavy rain
rain shwrs
rain shwrs
km/h
5
WSW
5
SSW
0
NNW
0
E
5
N
5
N
0
SSW
5
S
5
SSE
5
SSW
5
SE
5
SE
5
ESE
5
ESE
5
ENE
0
ESE
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
11
10
6
10
36
5
3
1
3
19
12
1
1
max °C
17
17
16
16
15
14
14
13
14
15
14
16
16
15
16
17
17
min °C
17
16
16
15
14
13
13
12
13
13
12
15
15
15
16
17
17
 chill °C
17
16
16
15
14
13
13
12
13
13
12
15
15
15
16
17
17
Humid %
99
98
97
99
94
99
97
97
90
84
84
89
96
97
94
96
86
Freeze m
4550
4450
4350
4350
4150
3950
4000
4400
4400
4500
4650
4600
4550
4600
4650
4900
4950
Sea lvl1000m2000m3000m4000m5000m
17171616151414131414131616151617171818181716161613171613181716171817
Sunrise
5:24
5:26
5:26
5:26
5:28
Sunset
5:51
5:50
5:47
5:46
5:45
5:44

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.
  • Circle CheckHourly & 16-day forecasts
  • Circle CheckView past weather
  • Circle CheckFast, ad-free browsing
  • Circle CheckSnow hindcasts & History
Unlocks app & website

Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Katashina Kogen:

No recent snow reports

No recent snow reports

Katashina Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 4 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)

Snow-Forecast Partner Offers

Snow History

Week 3 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.


Snow-Forecast Partner Offers


Map placeholder