Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -1°C on Sat morning, min -6°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the NNW by Sat night).
Iwanai Resort Weather (Days 4-6): A heavy fall of snow, heaviest during Tue morning. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -8°C on Mon night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Middle Lift: | -3 | | ||||
| Bottom Lift: | -1 | |
Thu 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | |  |  | | | | |  | | | | |
light snow | light snow | light snow | light snow | light snow | light snow | light snow | heavy snow | mod. snow | light snow | light snow | light snow | light snow | mod. snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 1 | — | — | 2 | 2 | 2 | 12 | 7 | 2 | 2 | 3 | 1 | 6 | 5 | 3 | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -3 | -3 | -2 | -2 | -1 | -2 | -3 | -6 | -6 | -6 | -6 | -6 | -8 | -6 | -6 | -6 |
min °C | -3 | -4 | -3 | -3 | -3 | -1 | -2 | -6 | -6 | -6 | -7 | -6 | -7 | -8 | -7 | -6 | -7 |
-7 | -8 | -3 | -6 | -7 | -8 | -4 | -16 | -15 | -14 | -14 | -11 | -13 | -13 | -12 | -13 | -14 | |
91 | 92 | 88 | 83 | 94 | 93 | 96 | 97 | 96 | 89 | 89 | 85 | 85 | 95 | 91 | 88 | 86 | |
500 | 250 | 350 | 500 | 0 | 450 | 500 | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — |
 | 5:30 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — | — | 5:37 | — |
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -1°C on Sat morning, min -6°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the NNW by Sat night).
A heavy fall of snow, heaviest during Tue morning. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -8°C on Mon night). Wind will be generally light.
Latest snow reports near Iwanai Resort:
Snowing in Niseko Grand Hirafu. from Niseko Grand Hirafu
Snow falling in Kiroro Resort. from Kiroro Resort
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 13 cm |
| Last snowfall: | 4 Mar 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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