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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Moderate rain (total 11.0mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 8°C on Mon morning, min -10°C on Wed night). Winds decreasing (near gales from the SW on Mon morning, light winds from the NW by Wed afternoon).
Iwakisan Hyakuzawa Weather (Days 4-6): A light fall of snow, heaviest on Thu morning. Turning milder with light rain (total 8.0mm) on Sat night. Freeze-thaw conditions (max 4°C on Sat night, min -8°C on Thu morning). Mainly strong winds.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 6 |  | ||||
| Middle Lift: | 7 | | ||||
| Bottom Lift: | 8 | |
Latest snow reports near Iwakisan Hyakuzawa:
Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  | | | | | | |  | |  | | |  | |
mod. rain | rain shwrs | clear | cloudy | light rain | light snow | light snow | mod. snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | some clouds | light rain | mod. rain | light rain | mod. rain | snow shwrs | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | — | — | — | 3 | 1 | 7 | 10 | 4 | 4 | 3 | 1 | — | — | — | — | — | — | — | — | |
7 | 1 | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | 3 | 7 | — | |
max °C | 8 | 2 | -1 | 3 | 4 | 1 | -1 | -2 | -7 | -7 | -6 | -5 | -4 | -4 | -1 | 2 | 3 | 4 | 4 | 4 | 2 |
min °C | 7 | 0 | -2 | 0 | 3 | -2 | -2 | -4 | -10 | -8 | -6 | -6 | -5 | -4 | -4 | 0 | 3 | 3 | 4 | 3 | -1 |
2 | -5 | -7 | -5 | -3 | -6 | -7 | -12 | -21 | -19 | -16 | -16 | -14 | -13 | -13 | -7 | -3 | -3 | -2 | -3 | -9 | |
89 | 82 | 67 | 61 | 71 | 96 | 93 | 97 | 80 | 90 | 91 | 81 | 77 | 70 | 80 | 76 | 81 | 92 | 90 | 92 | 82 | |
2000 | 1100 | 600 | 850 | 1550 | 650 | 500 | 450 | 0 | 0 | 0 | 150 | 250 | 300 | 400 | 850 | 1150 | 1400 | 1400 | 1400 | 850 | |
 | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
Moderate rain (total 11.0mm) on Mon morning. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 8°C on Mon morning, min -10°C on Wed night). Winds decreasing (near gales from the SW on Mon morning, light winds from the NW by Wed afternoon).
A light fall of snow, heaviest on Thu morning. Turning milder with light rain (total 8.0mm) on Sat night. Freeze-thaw conditions (max 4°C on Sat night, min -8°C on Thu morning). Mainly strong winds.
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 28 Nov 2025 |
| Snow Alerts | Create Alert |
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.1 | Powder days Fresh snow, limited sun, any wind. |
0.2 | 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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