Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 1°C on Sat morning, min -10°C on Wed night). Winds decreasing (strong winds from the NW on Wed night, moderate 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 7°C on Sun afternoon, min -7°C on Mon night). Winds decreasing (near gales from the WSW on Mon morning, moderate winds from the W by Mon night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Middle Lift: | 0 | | ||||
| Bottom Lift: | 1 | |
Wed 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | |  | | |  | |  | | | | | |
mod. snow | mod. snow | light snow | light snow | snow shwrs | cloudy | light snow | light snow | light snow | cloudy | cloudy | cloudy | some clouds | snow shwrs | mod. snow | light snow | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
6 | 8 | 1 | — | — | — | — | 1 | — | — | — | — | — | 12 | 6 | 1 | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
max °C | -2 | -6 | -8 | -8 | -6 | -2 | -1 | -1 | 1 | 1 | 2 | 6 | 7 | 6 | -3 | -3 | -4 |
min °C | -4 | -10 | -10 | -8 | -8 | -3 | -2 | -2 | 0 | 1 | 1 | 4 | 6 | -2 | -5 | -3 | -7 |
-12 | -21 | -20 | -17 | -17 | -9 | -8 | -8 | -6 | -5 | -4 | 0 | 1 | -10 | -15 | -12 | -14 | |
93 | 94 | 86 | 83 | 87 | 83 | 83 | 90 | 87 | 83 | 65 | 46 | 44 | 89 | 85 | 84 | 82 | |
550 | 0 | 0 | 0 | 0 | 350 | 650 | 300 | 750 | 1000 | 1150 | 1800 | 2150 | 1300 | 200 | 450 | 0 | |
 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:22 | — |
A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 1°C on Sat morning, min -10°C on Wed night). Winds decreasing (strong winds from the NW on Wed night, moderate 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 7°C on Sun afternoon, min -7°C on Mon night). Winds decreasing (near gales from the WSW on Mon morning, moderate winds from the W by Mon night).
Latest snow reports near Iwakisan Hyakuzawa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 16 Feb 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.1 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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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