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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 29.0mm), heaviest during Thu night. Freeze-thaw conditions (max 9°C on Sat night, min 0°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the W by Fri night).
Iwakisan Hyakuzawa Weather (Days 4-6): Heavy rain (total 24.0mm), mainly falling Mon morning. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 11°C on Sun morning, min -2°C on Tue night). Winds decreasing (fresh winds from the SW on Sun night, calm by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 3 |  | ||||
| Middle Lift: | 5 | | ||||
| Bottom Lift: | 7 | |
Latest snow reports near Iwakisan Hyakuzawa:
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  |  | |  |  | |  | | |  |  | | | |
clear | cloudy | heavy rain | light rain | light rain | light snow | cloudy | cloudy | rain shwrs | rain shwrs | rain shwrs | mod. rain | mod. rain | rain shwrs | some clouds | light rain | light rain | mod. snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 6 | 4 | 3 | 4 | |
— | — | 13 | 5 | 2 | — | — | — | 9 | 2 | 2 | 7 | 8 | 1 | — | 2 | 2 | — | — | — | — | |
max°C | 7 | 7 | 8 | 8 | 3 | 1 | 4 | 4 | 9 | 11 | 10 | 10 | 9 | 5 | 2 | 6 | 4 | 1 | -2 | -4 | -3 |
min°C | 5 | 5 | 5 | 6 | 2 | 0 | 3 | 4 | 5 | 10 | 9 | 10 | 6 | 3 | 1 | 4 | 3 | -2 | -3 | -5 | -4 |
5 | 3 | 2 | 1 | -4 | -7 | -3 | -1 | 1 | 7 | 6 | 7 | 2 | 0 | 0 | 0 | -1 | -8 | -10 | -12 | -11 | |
69 | 66 | 71 | 79 | 84 | 67 | 66 | 66 | 76 | 77 | 76 | 84 | 87 | 70 | 75 | 88 | 85 | 96 | 86 | 86 | 88 | |
950 | 1250 | 2000 | 1300 | 750 | 400 | 650 | 850 | 1300 | 1600 | 1850 | 1950 | 1750 | 850 | 650 | 1000 | 900 | 300 | 0 | 0 | 0 | |
 | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 4:13 | — | — | 4:13 | — | — | 4:13 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — |
Heavy rain (total 29.0mm), heaviest during Thu night. Freeze-thaw conditions (max 9°C on Sat night, min 0°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the W by Fri night).
Heavy rain (total 24.0mm), mainly falling Mon morning. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 11°C on Sun morning, min -2°C on Tue night). Winds decreasing (fresh winds from the SW on Sun night, calm by Mon night).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 21 Nov 2025 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | 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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