Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: A light covering of new snow on Wed night turning to drizzle on Fri afternoon. Freeze-thaw conditions (max 5°C on Sat afternoon, min -6°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, light winds from the W by Thu night).
Iwakisan Hyakuzawa Weather (Days 4-6): Drizzle on Sun night followed by colder weather and a moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sun morning, min -4°C on Mon night). Winds decreasing (strong winds from the WSW on Mon morning, calm by Tue afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -8 |  | ||||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | -4 | |
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | |  | | | |  | |  |  | |  | | | | |
mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | some clouds | some clouds | some clouds | cloudy | cloudy | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
5 | 1 | — | — | — | — | — | — | — | — | — | — | 10 | 4 | 2 | — | |
— | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | |
max °C | -3 | -4 | -3 | -3 | 2 | 2 | 0 | 4 | 5 | 1 | 9 | 9 | 6 | 0 | -1 | -2 |
min °C | -6 | -5 | -5 | -6 | 0 | 0 | -1 | 2 | 2 | 1 | 5 | 5 | 0 | -1 | -2 | -4 |
-15 | -13 | -11 | -12 | -4 | -4 | -5 | -2 | -2 | -3 | 2 | 2 | -7 | -8 | -9 | -9 | |
89 | 77 | 72 | 80 | 82 | 85 | 92 | 83 | 78 | 74 | 57 | 57 | 76 | 86 | 89 | 70 | |
0 | 0 | 0 | 0 | 300 | 600 | 350 | 700 | 1050 | 1300 | 1800 | 2050 | 1600 | 200 | 0 | 0 | |
 | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:22 | — |
A light covering of new snow on Wed night turning to drizzle on Fri afternoon. Freeze-thaw conditions (max 5°C on Sat afternoon, min -6°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, light winds from the W by Thu night).
Drizzle on Sun night followed by colder weather and a moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sun morning, min -4°C on Mon night). Winds decreasing (strong winds from the WSW on Mon morning, calm by Tue afternoon).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 16 Feb 2026 |
| Snow Alerts | Create Alert |
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.3 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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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