Next 3 days weather summary:Light rain (total 4.0mm), mostly falling on Fri morning. Warm (max 21°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 23.0mm), heaviest during Mon afternoon. Warm (max 20°C on Tue morning, min 12°C on Wed night). Winds decreasing (fresh winds from the ENE on Mon night, calm by Tue afternoon). | |||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | |  |  |  |  | | | | | |  | |
rain shwrs | rain shwrs | clear | some clouds | clear | clear | clear | clear | some clouds | light rain | heavy rain | mod. rain | some clouds | some clouds | clear | rain shwrs | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 2 | — | — | — | — | — | — | — | 1 | 13 | 8 | — | — | — | 1 | — | — |
max °C | 17 | 17 | 15 | 18 | 18 | 15 | 20 | 21 | 17 | 18 | 17 | 16 | 20 | 20 | 17 | 17 | 16 | 13 |
min °C | 17 | 16 | 13 | 16 | 16 | 14 | 18 | 17 | 16 | 18 | 15 | 15 | 18 | 18 | 16 | 17 | 14 | 12 |
chill °C | 16 | 15 | 13 | 16 | 16 | 14 | 18 | 16 | 15 | 17 | 13 | 13 | 18 | 18 | 16 | 17 | 13 | 10 |
Humid % | 84 | 78 | 79 | 74 | 67 | 66 | 42 | 33 | 51 | 62 | 82 | 94 | 79 | 69 | 83 | 85 | 70 | 70 |
Freeze m | 3650 | 3600 | 3550 | 3500 | 3600 | 3950 | 4300 | 4450 | 4550 | 4550 | 4700 | 4550 | 4450 | 4650 | 4450 | 4550 | 4150 | 4100 |
 | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — |
 | — | 6:07 | — | — | 6:05 | — | — | 6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — |
SnowProGo pro and carve into:
Avalanche 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 565 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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