Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max -2°C on Thu morning, min -6°C on Mon night). Winds decreasing (fresh winds from the ESE on Wed morning, calm by Wed night).
Iwanai Resort Weather (Days 4-6): A heavy fall of snow, heaviest during Sat morning. Freeze-thaw conditions (max 1°C on Sat afternoon, min -4°C on Thu night). Winds increasing (calm on Thu night, strong winds from the NNW by Sun morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -7 |  | ||||
| Middle Lift: | -5 | | ||||
| Bottom Lift: | -4 | |
Mon 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  | | | | | | | | | |  | |
clear | clear | cloudy | cloudy | light snow | light snow | mod. snow | light snow | light snow | light snow | light snow | cloudy | cloudy | light snow | light snow | light snow | mod. snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | 3 | 5 | 2 | — | — | — | — | — | 2 | 5 | 5 | 7 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -5 | -3 | -3 | -3 | -3 | -3 | -3 | -2 | -2 | -2 | -1 | -1 | -1 | 0 | 1 | 1 |
min °C | -5 | -6 | -4 | -3 | -4 | -3 | -3 | -4 | -3 | -3 | -4 | -3 | -2 | -2 | -1 | 1 | -3 |
-12 | -13 | -11 | -8 | -9 | -10 | -10 | -9 | -6 | -7 | -6 | -5 | -6 | -8 | -8 | -4 | -11 | |
40 | 49 | 62 | 77 | 87 | 93 | 95 | 84 | 94 | 92 | 91 | 84 | 80 | 95 | 97 | 99 | 99 | |
0 | 0 | 0 | 350 | 0 | 0 | 300 | 0 | 300 | 450 | 350 | 450 | 650 | 150 | 600 | 1000 | 550 | |
 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — |
 | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — |
A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max -2°C on Thu morning, min -6°C on Mon night). Winds decreasing (fresh winds from the ESE on Wed morning, calm by Wed night).
A heavy fall of snow, heaviest during Sat morning. Freeze-thaw conditions (max 1°C on Sat afternoon, min -4°C on Thu night). Winds increasing (calm on Thu night, strong winds from the NNW by Sun morning).
Latest snow reports near Iwanai Resort:
Snowing at a moderate rate in Niseko Grand Hirafu. from Niseko Grand Hirafu
It is snowing steadily in Niseko Grand Hirafu. from Niseko Grand Hirafu
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 10 cm |
| Last snowfall: | 28 Feb 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.3 | Powder days Fresh snow, limited sun, any wind. |
1.3 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Iwanai Resort at the specific elevation of 764 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Iwanai Resort. 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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