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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 21.0mm), heaviest during Sun morning. Very mild (max 12°C on Mon morning, min 1°C on Sat night). Winds increasing (light winds from the SW on Sat night, strong winds from the SW by Mon morning).
Iwakisan Hyakuzawa Weather (Days 4-6): Moderate rain (total 11.0mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Tue night, min -5°C on Wed night). Winds increasing (calm on Wed morning, strong winds from the W by Thu morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Middle Lift: | 0 | | ||||
| Bottom Lift: | 1 | |
Latest snow reports near Iwakisan Hyakuzawa:
Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  | |  |  |  |  | | | | | | | |
rain shwrs | rain shwrs | rain shwrs | light rain | light rain | light rain | some clouds | cloudy | light rain | light snow | light snow | mod. snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | 1 | 2 | 6 | 5 | 2 | 1 | 3 | — | — | 2 | |
1 | 5 | 2 | 3 | 5 | 3 | — | — | 2 | 11 | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 9 | 9 | 9 | 12 | 8 | 3 | 6 | 8 | 5 | 1 | -1 | -5 | -3 | -2 | -1 | 0 | -1 | 0 |
min °C | 1 | 5 | 6 | 7 | 11 | 4 | 2 | 4 | 6 | 1 | 1 | -3 | -5 | -3 | -2 | -2 | 0 | -2 | -1 |
-2 | 1 | 3 | 5 | 8 | 0 | -1 | 1 | 2 | -2 | 0 | -11 | -14 | -11 | -10 | -10 | -7 | -10 | -8 | |
82 | 89 | 80 | 92 | 88 | 83 | 72 | 70 | 77 | 94 | 89 | 94 | 76 | 84 | 80 | 79 | 69 | 70 | 68 | |
600 | 1700 | 1650 | 1850 | 2000 | 1500 | 750 | 800 | 1300 | 950 | 450 | 150 | 0 | 0 | 0 | 100 | 300 | 200 | 200 | |
 | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
Heavy rain (total 21.0mm), heaviest during Sun morning. Very mild (max 12°C on Mon morning, min 1°C on Sat night). Winds increasing (light winds from the SW on Sat night, strong winds from the SW by Mon morning).
Moderate rain (total 11.0mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Tue night, min -5°C on Wed night). Winds increasing (calm on Wed morning, strong winds from the W by Thu morning).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 28 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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