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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -1°C on Tue morning, min -10°C on Tue night). Winds decreasing (near gales from the W on Tue night, light winds from the W by Thu afternoon).
Iwakisan Hyakuzawa Weather (Days 4-6): A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max -1°C on Thu night, min -6°C on Fri afternoon). Winds increasing (light winds from the SSE on Thu night, fresh winds from the W by Fri morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Middle Lift: | -5 | | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Iwakisan Hyakuzawa:
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | | | |  | | |  | | |  | |
mod. snow | mod. snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | heavy snow | light snow | light snow | snow shwrs | light snow | light snow | cloudy | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
8 | 6 | 6 | 3 | 4 | 4 | 2 | 1 | 3 | 11 | 1 | 1 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -1 | -1 | -6 | -9 | -8 | -5 | -2 | -1 | -1 | -3 | -5 | -6 | -4 | -3 | -5 |
min °C | -6 | -2 | -4 | -10 | -10 | -8 | -7 | -3 | -1 | -3 | -4 | -6 | -6 | -5 | -4 | -6 |
-15 | -7 | -13 | -22 | -22 | -19 | -18 | -11 | -5 | -10 | -11 | -14 | -14 | -11 | -11 | -12 | |
91 | 97 | 89 | 76 | 88 | 87 | 78 | 83 | 98 | 99 | 88 | 80 | 80 | 83 | 80 | 83 | |
0 | 100 | 500 | 0 | 0 | 0 | 0 | 150 | 350 | 400 | 100 | 0 | 0 | 0 | 150 | 0 | |
 | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — |
 | — | — | 4:32 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — |
A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -1°C on Tue morning, min -10°C on Tue night). Winds decreasing (near gales from the W on Tue night, light winds from the W by Thu afternoon).
A moderate fall of snow, heaviest on Thu night. Temperatures will be below freezing (max -1°C on Thu night, min -6°C on Fri afternoon). Winds increasing (light winds from the SSE on Thu night, fresh winds from the W by Fri morning).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 22 cm |
| Last snowfall: | 11 Jan 2026 |
| Snow Alerts | Create Alert |
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.1 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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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