Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -7°C on Mon morning, min -15°C on Tue morning). Winds increasing (calm on Sun night, gales from the WNW by Tue afternoon).
Iwanai Resort Weather (Days 4-6): A heavy fall of snow, heaviest during Fri morning. Temperatures will be well below freezing (max -10°C on Thu morning, min -14°C on Wed night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -11 |  | ||||
| Middle Lift: | -10 | | ||||
| Bottom Lift: | -9 | |
Latest snow reports near Iwanai Resort:
It is snowing steadily at Rusutsu Resort. from Rusutsu Resort
Snow is falling at Niseko Grand Hirafu. from Niseko Grand Hirafu
It is snowing steadily at Niseko Grand Hirafu. from Niseko Grand Hirafu
Snowing heavily in Niseko Grand Hirafu. from Niseko Grand Hirafu
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | |  | | |  | | | | |
snow shwrs | light snow | mod. snow | heavy snow | light snow | heavy snow | heavy snow | mod. snow | mod. snow | light snow | light snow | light snow | mod. snow | heavy snow | light snow | mod. snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | 4 | 5 | 10 | 4 | 11 | 25 | 8 | 5 | 4 | 5 | 4 | 8 | 11 | 4 | 6 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -7 | -7 | -8 | -13 | -10 | -10 | -11 | -11 | -12 | -10 | -10 | -12 | -11 | -11 | -12 |
min °C | -10 | -7 | -7 | -14 | -15 | -12 | -11 | -11 | -12 | -14 | -11 | -11 | -14 | -11 | -12 | -13 |
-10 | -13 | -10 | -26 | -27 | -26 | -22 | -19 | -20 | -21 | -20 | -18 | -14 | -19 | -20 | -20 | |
80 | 94 | 96 | 94 | 90 | 96 | 95 | 94 | 90 | 89 | 92 | 89 | 93 | 95 | 94 | 95 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | — | 4:31 | — | — | 4:32 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — |
A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -7°C on Mon morning, min -15°C on Tue morning). Winds increasing (calm on Sun night, gales from the WNW by Tue afternoon).
A heavy fall of snow, heaviest during Fri morning. Temperatures will be well below freezing (max -10°C on Thu morning, min -14°C on Wed night). Wind will be generally light.
Latest snow reports near Iwanai Resort:
It is snowing steadily at Rusutsu Resort. from Rusutsu Resort
Snow is falling at Niseko Grand Hirafu. from Niseko Grand Hirafu
It is snowing steadily at Niseko Grand Hirafu. from Niseko Grand Hirafu
Snowing heavily in Niseko Grand Hirafu. from Niseko Grand Hirafu
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 18 cm |
| Last snowfall: | 17 Jan 2026 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.3 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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