Next 3 days weather summary:Moderate rain (total 15.0mm), heaviest on Thu afternoon. Very mild (max 16°C on Thu morning, min 8°C on Thu night). Winds increasing (calm on Wed morning, strong winds from the W by Thu night). | Days 4-6 weather summary:Moderate rain (total 10.0mm), heaviest on Sun night. Very mild (max 13°C on Sun morning, min 7°C on Fri night). Winds decreasing (near gales from the W on Fri afternoon, calm by Sat night). | |||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  |  | | | |  |  | | | |  | |
rain shwrs | clear | clear | clear | clear | some clouds | cloudy | mod. rain | rain shwrs | rain shwrs | cloudy | rain shwrs | light rain | some clouds | clear | some clouds | some clouds | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | — | — | — | — | — | — | 8 | 5 | 2 | — | 4 | 1 | — | — | — | — | 3 |
max °C | 11 | 12 | 10 | 14 | 14 | 14 | 16 | 14 | 9 | 9 | 9 | 8 | 9 | 10 | 8 | 13 | 13 | 11 |
min °C | 11 | 11 | 9 | 12 | 13 | 13 | 16 | 12 | 8 | 8 | 9 | 7 | 9 | 8 | 7 | 11 | 12 | 11 |
chill °C | 8 | 8 | 7 | 12 | 12 | 11 | 14 | 9 | 4 | 3 | 4 | 3 | 5 | 5 | 6 | 11 | 11 | 9 |
Humid % | 86 | 75 | 82 | 55 | 59 | 55 | 53 | 91 | 81 | 72 | 61 | 81 | 81 | 71 | 77 | 40 | 40 | 76 |
Freeze m | 3500 | 3400 | 3200 | 3500 | 3650 | 3900 | 3850 | 3300 | 2450 | 1750 | 1850 | 2100 | 2450 | 2400 | 2500 | 3000 | 3100 | 2950 |
 | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — |
 | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:17 | — | — | 5:16 | — |
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 784 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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