Next 4 days weather summary:Light rain (total 8.0mm), mostly falling on Thu afternoon. Warm (max 20°C on Thu morning, min 11°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Wed afternoon). | Days 5-7 weather summary:Moderate rain (total 13.0mm), heaviest on Thu night. Very mild (max 16°C on Sun morning, min 8°C on Sat night). Winds decreasing (strong winds from the W on Fri morning, calm by Sun morning). | |||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  |  |  |  | | | | | | | |
light rain | rain shwrs | clear | clear | clear | clear | some clouds | some clouds | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 2 | — | — | — | — | — | — | 3 | 4 | 2 | 1 | 4 | 2 | — | — |
max °C | 16 | 16 | 16 | 11 | 18 | 18 | 14 | 20 | 17 | 12 | 14 | 12 | 11 | 13 | 13 | 9 |
min °C | 13 | 15 | 13 | 11 | 16 | 13 | 13 | 19 | 13 | 9 | 13 | 12 | 10 | 12 | 10 | 8 |
chill °C | 11 | 13 | 12 | 10 | 16 | 13 | 12 | 19 | 12 | 7 | 10 | 9 | 7 | 10 | 8 | 7 |
Humid % | 78 | 77 | 65 | 81 | 61 | 55 | 60 | 65 | 84 | 77 | 60 | 54 | 71 | 72 | 64 | 76 |
Freeze m | 3650 | 3450 | 3350 | 3200 | 3500 | 3650 | 3900 | 3850 | 3450 | 2750 | 1850 | 1700 | 2100 | 2100 | 2400 | 2500 |
 | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — |
 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:17 | — |
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche information: Japan Avalanche Network
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 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 Iwakisan Hyakuzawa at the specific elevation of 346 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Iwakisan Hyakuzawa. 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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