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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: A dusting of snow giving way to moderate rain (total 19.0mm) heaviest on Sat night. Freeze-thaw conditions (max 9°C on Sun morning, min 0°C on Fri night). Winds decreasing (fresh winds from the W on Fri night, light winds from the SSW by Sun night).
Iwakisan Hyakuzawa Weather (Days 4-6): Moderate rain (total 13.0mm), heaviest on Mon afternoon giving way to a moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 12°C on Mon morning, min -6°C on Wed night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the WNW by Tue night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 4 |  | ||||
| Middle Lift: | 5 | | ||||
| Bottom Lift: | 7 | |
Latest snow reports near Iwakisan Hyakuzawa:
Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  | |  |  | | | | |  | | | |  | | | | | | |
light rain | light snow | light snow | some clouds | some clouds | light rain | rain shwrs | rain shwrs | light rain | light rain | light rain | some clouds | light rain | light rain | light snow | mod. snow | mod. snow | light snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | 6 | 4 | 2 | 1 | — | |
4 | 1 | — | — | — | 5 | 6 | 1 | 2 | 4 | 4 | — | 1 | 2 | 2 | — | — | — | — | — | — | |
max°C | 7 | 3 | 0 | 4 | 4 | 4 | 9 | 9 | 9 | 12 | 10 | 6 | 7 | 6 | 4 | 0 | -4 | -4 | -2 | -1 | -1 |
min°C | 6 | 2 | 0 | 2 | 2 | 3 | 8 | 6 | 6 | 11 | 8 | 4 | 6 | 5 | 0 | -1 | -5 | -6 | -3 | -2 | -1 |
1 | -4 | -7 | -4 | -2 | 0 | 4 | 3 | 4 | 8 | 4 | 1 | 3 | 2 | -4 | -6 | -13 | -14 | -10 | -9 | -8 | |
85 | 79 | 72 | 66 | 70 | 81 | 85 | 77 | 93 | 81 | 84 | 79 | 75 | 81 | 95 | 94 | 88 | 80 | 81 | 72 | 69 | |
1250 | 700 | 350 | 550 | 800 | 950 | 1550 | 1600 | 1750 | 1950 | 1850 | 950 | 1050 | 1250 | 600 | 250 | 0 | 0 | 0 | 150 | 200 | |
 | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — |
 | — | 4:13 | — | — | 4:13 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — |
A dusting of snow giving way to moderate rain (total 19.0mm) heaviest on Sat night. Freeze-thaw conditions (max 9°C on Sun morning, min 0°C on Fri night). Winds decreasing (fresh winds from the W on Fri night, light winds from the SSW by Sun night).
Moderate rain (total 13.0mm), heaviest on Mon afternoon giving way to a moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 12°C on Mon morning, min -6°C on Wed night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the WNW by Tue night).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 21 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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