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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. Freeze-thaw conditions (max 10°C on Mon morning, min 0°C on Sat afternoon). Winds increasing (light winds from the W on Sat afternoon, strong winds from the WSW by Mon morning).
Iwakisan Hyakuzawa Weather (Days 4-6): Light rain (total 7.0mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Tue afternoon, min -8°C on Wed night). Winds increasing (light winds from the SW on Wed morning, strong winds from the W by Thu afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Middle Lift: | 1 | | ||||
| Bottom Lift: | 3 | |
Latest snow reports near Iwakisan Hyakuzawa:
Sat 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | ||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | | |  |  |  |  |  |  |  | | | | | | | |
clear | some clouds | mod. rain | rain shwrs | light rain | mod. rain | rain shwrs | snow shwrs | 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 |  |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | 4 | 3 | 9 | 6 | 3 | 2 | 2 | 1 | — | 1 | |
— | — | 8 | 2 | 3 | 6 | 2 | — | — | 3 | 4 | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 2 | 7 | 8 | 8 | 10 | 7 | 1 | 4 | 5 | 3 | -1 | -2 | -7 | -5 | -4 | -3 | -2 | -3 | -3 |
min °C | 0 | 0 | 4 | 6 | 6 | 10 | 3 | 1 | 3 | 5 | -1 | -1 | -5 | -8 | -5 | -4 | -4 | -3 | -3 | -3 |
-4 | -4 | -1 | 2 | 3 | 6 | -2 | -4 | -1 | 0 | -5 | -4 | -14 | -18 | -14 | -13 | -13 | -11 | -12 | -12 | |
71 | 85 | 94 | 81 | 93 | 87 | 85 | 81 | 78 | 82 | 97 | 90 | 97 | 84 | 87 | 86 | 82 | 80 | 77 | 74 | |
700 | 650 | 1650 | 1650 | 1800 | 2050 | 1450 | 650 | 900 | 1400 | 750 | 450 | 250 | 0 | 0 | 0 | 0 | 250 | 200 | 200 | |
 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | 4:13 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
Heavy rain (total 21.0mm), heaviest during Sun morning. Freeze-thaw conditions (max 10°C on Mon morning, min 0°C on Sat afternoon). Winds increasing (light winds from the W on Sat afternoon, strong winds from the WSW by Mon morning).
Light rain (total 7.0mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Tue afternoon, min -8°C on Wed night). Winds increasing (light winds from the SW on Wed morning, strong winds from the W by Thu afternoon).
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 |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | 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 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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