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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Mild at first with light rain (total 5.0mm) on Mon morning followed by colder weather and light fall of snow, heaviest on Mon morning. Freeze-thaw conditions (max 7°C on Sun night, min -5°C on Tue night). Mainly near gales.
Iwakisan Hyakuzawa Weather (Days 4-6): Mild with moderate rain (total 13.0mm) on Thu night, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 6°C on Thu night, min -2°C on Wed night). Winds decreasing (strong winds from the SW on Thu night, light winds from the W by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 5 |  | ||||
| Middle Lift: | 5 | | ||||
| Bottom Lift: | 5 | |
Latest snow reports near Iwakisan Hyakuzawa:
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | | | | |  | |  |  | |  | |  | | |
rain shwrs | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light rain | light rain | mod. rain | rain shwrs | light snow | mod. snow | light snow | some clouds | clear | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | 2 | 1 | 3 | 2 | 1 | 3 | 1 | — | — | — | — | — | — | — | 5 | — | — | — | |
1 | 4 | — | — | — | — | — | — | — | — | 2 | 2 | 7 | 2 | — | — | — | — | — | |
max°C | 7 | 5 | -1 | -3 | -4 | -4 | -4 | -3 | -2 | 1 | 4 | 4 | 6 | 4 | 2 | 0 | -1 | -1 | 1 |
min°C | 4 | 1 | -1 | -4 | -4 | -4 | -5 | -3 | -3 | -2 | 3 | 4 | 4 | 3 | 1 | -2 | -1 | -1 | 0 |
0 | -6 | -9 | -13 | -13 | -12 | -13 | -10 | -10 | -8 | -2 | -1 | -2 | -2 | -4 | -9 | -8 | -8 | -6 | |
69 | 95 | 87 | 88 | 88 | 86 | 87 | 88 | 81 | 86 | 90 | 94 | 91 | 83 | 81 | 96 | 69 | 74 | 78 | |
2100 | 1600 | 700 | 400 | 300 | 300 | 250 | 350 | 550 | 800 | 1200 | 1500 | 1550 | 1200 | 1000 | 700 | 700 | 700 | 750 | |
 | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — |
 | — | — | 4:19 | — | — | 4:19 | — | — | 4:17 | — | — | 4:16 | — | — | 4:16 | — | — | 4:15 | — |
Mild at first with light rain (total 5.0mm) on Mon morning followed by colder weather and light fall of snow, heaviest on Mon morning. Freeze-thaw conditions (max 7°C on Sun night, min -5°C on Tue night). Mainly near gales.
Mild with moderate rain (total 13.0mm) on Thu night, Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 6°C on Thu night, min -2°C on Wed night). Winds decreasing (strong winds from the SW on Thu night, light winds from the W by Fri night).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 Nov 2025 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | 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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