Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  |  |  | |  | |  | |
heavy rain | light rain | light rain | rain shwrs | some clouds | cloudy | light rain | cloudy | light rain | mod. rain | rain shwrs | mod. rain | heavy rain | heavy rain | heavy rain | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
mm | 12 | 2 | 2 | 1 | — | — | 2 | — | 3 | 10 | 3 | 6 | 29 | 12 | 11 | 20 |
max °C | 13 | 10 | 9 | 8 | 14 | 12 | 10 | 13 | 13 | 11 | 10 | 6 | 3 | 3 | 3 | 2 |
min °C | 9 | 9 | 9 | 5 | 10 | 9 | 9 | 11 | 12 | 8 | 10 | 5 | 2 | 2 | 2 | 1 |
chill °C | 7 | 8 | 8 | 5 | 10 | 7 | 7 | 11 | 12 | 7 | 8 | 1 | -1 | -3 | -2 | 0 |
Humid % | 96 | 84 | 84 | 84 | 74 | 72 | 83 | 85 | 86 | 96 | 79 | 87 | 93 | 98 | 97 | 97 |
Freeze m | 2400 | 1550 | 1500 | 1450 | 2500 | 2750 | 2650 | 2500 | 2500 | 2000 | 1700 | 1200 | 800 | 700 | 750 | 800 |
 | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — |
 | — | — | 4:35 | — | — | 4:34 | — | — | 4:34 | — | — | 4:32 | — | — | 4:32 | — |
Next 4 days weather summary:Heavy rain (total 22.0mm), heaviest during Sun night. Very mild (max 14°C on Tue morning, min 5°C on Mon night). Wind will be generally light. | Days 5-7 weather summary:Heavy rain (total 114.0mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri night. Very mild (max 11°C on Wed night, min 1°C on Fri night). Wind will be generally light. | |||||||||||||||
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche information: Japan Avalanche Network
Latest snow reports near Mountain Park Tsunan:
It is snowing steadily at altitude in Shiga Kogen-Yokoteyama. from Shiga Kogen-Yokoteyama
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
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. |
The above table gives the weather forecast for Mountain Park Tsunan at the specific elevation of 309 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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