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Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 30.0mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 10°C on Mon morning, min 0°C on Mon night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the W by Tue night).
Iwakisan Hyakuzawa Weather (Days 4-6): A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max 0°C on Wed morning, min -8°C on Wed night). Winds increasing (light winds from the WNW on Wed morning, strong winds from the W by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 2 |  | ||||
| Middle Lift: | 3 |  | ||||
| Bottom Lift: | 3 | |
Latest snow reports near Iwakisan Hyakuzawa:
Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | |  |  | | |  |  |  | | | | | | |  | |  | |
rain shwrs | rain shwrs | light rain | light rain | rain shwrs | clear | cloudy | light rain | light snow | light snow | mod. snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | some clouds | some clouds | heavy rain | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | — | — | — | — | — | — | 2 | 3 | 8 | 6 | 3 | 2 | 2 | 1 | — | — | — | — | — | |
8 | 2 | 4 | 5 | 4 | — | — | 1 | 6 | — | — | — | — | — | — | — | — | — | — | — | 11 | |
max °C | 7 | 8 | 9 | 10 | 5 | 1 | 4 | 6 | 4 | 0 | -2 | -6 | -5 | -3 | -3 | -3 | -3 | 0 | 2 | 3 | 3 |
min °C | 4 | 6 | 6 | 10 | 2 | 0 | 2 | 5 | 0 | -1 | -5 | -8 | -5 | -4 | -3 | -3 | -3 | -2 | 1 | 2 | 3 |
0 | 3 | 3 | 6 | -2 | -4 | -1 | 0 | -3 | -4 | -14 | -18 | -14 | -13 | -11 | -12 | -12 | -11 | -6 | -3 | -2 | |
95 | 80 | 94 | 88 | 86 | 74 | 78 | 76 | 93 | 95 | 94 | 85 | 86 | 87 | 79 | 79 | 68 | 72 | 72 | 68 | 90 | |
1650 | 1600 | 1850 | 2000 | 1300 | 650 | 800 | 1450 | 900 | 500 | 250 | 0 | 0 | 0 | 200 | 200 | 250 | 350 | 700 | 850 | 1150 | |
 | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
Heavy rain (total 30.0mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 10°C on Mon morning, min 0°C on Mon night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the W by Tue night).
A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max 0°C on Wed morning, min -8°C on Wed night). Winds increasing (light winds from the WNW on Wed morning, strong winds from the W by Fri night).
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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