Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Moderate rain (total 13.0mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 12°C on Mon afternoon, min 0°C on Tue night). Mainly strong winds.
Iwakisan Hyakuzawa Weather (Days 4-6): Heavy rain (total 23.0mm), heaviest during Fri morning. Very mild (max 14°C on Sun morning, min 5°C on Fri night). Mainly fresh winds.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 9 |  | ||||
| Middle Lift: | 10 | | ||||
| Bottom Lift: | 11 | |
Mon 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | |  | |  | | | | | |
cloudy | rain shwrs | heavy rain | snow shwrs | light snow | clear | clear | clear | some clouds | some clouds | light rain | heavy rain | light rain | light rain | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 2 | 11 | — | — | — | — | — | — | — | 3 | 12 | 4 | 4 | — | — | — | |
max °C | 12 | 9 | 4 | 2 | 1 | 3 | 4 | 4 | 11 | 10 | 7 | 9 | 10 | 9 | 9 | 9 | 8 |
min °C | 10 | 6 | 2 | 1 | 0 | 2 | 3 | 2 | 9 | 7 | 6 | 8 | 10 | 5 | 7 | 8 | 7 |
7 | 2 | -4 | -6 | -7 | -4 | -2 | -3 | 5 | 2 | 2 | 6 | 6 | 1 | 4 | 5 | 4 | |
67 | 85 | 94 | 89 | 85 | 67 | 51 | 64 | 25 | 41 | 92 | 96 | 96 | 97 | 61 | 50 | 67 | |
2450 | 2450 | 1250 | 750 | 650 | 750 | 1000 | 1150 | 2800 | 2500 | 1800 | 2650 | 2900 | 2200 | 1950 | 2050 | 2550 | |
 | — | — | 5:13 | — | — | 5:11 | — | — | 5:09 | — | — | 5:09 | — | — | 5:07 | — | — |
 | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — |
Moderate rain (total 13.0mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue afternoon. Freeze-thaw conditions (max 12°C on Mon afternoon, min 0°C on Tue night). Mainly strong winds.
Heavy rain (total 23.0mm), heaviest during Fri morning. Very mild (max 14°C on Sun morning, min 5°C on Fri night). Mainly fresh winds.
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 2 Apr 2026 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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