Mountain Park Tsunan Snow Forecast (mid mountain)

Weather Forecast for Mountain Park Tsunan at 510 m

Weather Forecast for Mountain Park Tsunan at 510 m altitude Issued: 2 pm 19 Dec 2025 (local time)

Forecast update in hr min s

New snow in Mountain Park Tsunan: 1.4cm0.6in on Sun 21st (after 9 PM)

Issued: 2 pm 19 Dec 2025 (local time)

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Japan - Niigata(65)
Mountain Park Tsunan(Lat Long: 37.02° N 138.63° E)

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New snow in Mountain Park Tsunan

0.6in

Sun 21st (NGT)

The snow forecast for Mountain Park Tsunan is: Moderate rain (total 18.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 14°C on Sun morning, min 0°C on Mon morning). Wind will be generally light.

Mountain Park Tsunan Weather (Next 3 days): The snow forecast for Mountain Park Tsunan is: Moderate rain (total 18.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 14°C on Sun morning, min 0°C on Mon morning). Wind will be generally light.

Mountain Park Tsunan Weather (Days 4-6): Moderate rain (total 15.0mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -2°C on Mon night). Wind will be generally light.

Mountain Park Tsunan Live Weather

	Resort	Snow Depth	Temp. (°C)	Wind (km/h)	Weather
	Top Lift:		6
	Middle Lift:		6
	Bottom Lift:		3

Mountain Park Tsunan Weather

(Next 3 days):

The snow forecast for Mountain Park Tsunan is: Moderate rain (total 18.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 14°C on Sun morning, min 0°C on Mon morning). Wind will be generally light.

Mountain Park Tsunan Weather (Days 4-6):

Moderate rain (total 15.0mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -2°C on Mon night). Wind will be generally light.

Latest snow reports near Mountain Park Tsunan:

36 km away from Mountain Park Tsunan
10 hours ago
Partly cloudy at Madarao Kogen. Just a light breeze today. Feeling cold here today. There is a dusting of fresh snow. Packed snow on piste. The off-piste has an icy crust. from Madarao Kogen

Next update: hr min s

6 Day Forecast

Issued: 2 pm 19 Dec 2025 / Updates in ::

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Mountain Park Tsunan at 510 m altitude

Issued by Snow-Forecast.com at: 2 pm (local time) / 19 Dec 2025

Last 6 daysScroll left for last 6 daysNow

	Fri 19		Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	mod. rain	light snow	light snow	light snow	clear	cloudy	clear	cloudy	light rain	light rain	mod. rain
km/h	S	S	S	S	S	SSW	WSW	NW	NNW	N	S	S	S	S	S	SSW	NNW
Snow map More

cm	—	—	—	—	—	—	—	1	2	1	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	8	10	—	—	—	—	—	—	2	4	9
max °C	9	6	13	13	11	14	11	4	0	0	-1	6	7	7	8	9	6
min °C	6	5	10	10	10	13	6	1	0	-1	-2	3	4	4	7	7	2
chill °C	4	3	9	8	8	12	4	-3	-3	-1	-2	2	1	1	4	6	-1
Humid %	63	61	77	73	76	73	92	96	97	85	77	54	54	69	78	81	97
Freeze m	2500	2550	2550	2750	2850	2800	2700	1000	500	500	0	1650	2000	2350	2600	2500	1250

	—	—	6:54	—	—	6:54	—	—	6:54	—	—	6:54	—	—	6:56	—	—
	4:30	—	—	4:30	—	—	4:30	—	—	4:31	—	—	4:31	—	—	4:32	—

Next 0-3 days weather summary:

Moderate rain (total 18.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 14°C on Sun morning, min 0°C on Mon morning). Wind will be generally light.

Next 4-6 days weather summary:

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Latest snow reports near Mountain Park Tsunan:

36 km away from Mountain Park Tsunan
10 hours ago
Partly cloudy at Madarao Kogen. Just a light breeze today. Feeling cold here today. There is a dusting of fresh snow. Packed snow on piste. The off-piste has an icy crust. from Madarao Kogen

Mountain Park Tsunan Snow Conditions

Top snow depth:	—
Bottom snow depth:	—
Fresh snowfall depth:	16 cm
Last snowfall:	18 Dec 2025
Snow Alerts	Create Alert

Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

Mountain Park Tsunan Snow Report

Snow History

Week 3 of December has on average:

0.2	Bluebird Powder days Fresh snow, mostly sunny, light wind.
1.7	Powder days Fresh snow, limited sun, any wind.
0.0	Bluebird days Average snow, mostly sunny, light wind.

Mountain Park Tsunan Snow History

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Mountain Park Tsunan Forecast Snowfall

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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

The above table gives the weather forecast for Mountain Park Tsunan at the specific elevation of 510 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mountain Park Tsunan. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.

Click here to read further information on freezing levels and how we forecast our temperatures.

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Mountain Park Tsunan Snow Forecast