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Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max 0°C on Mon afternoon, min -12°C on Sat afternoon). Winds decreasing (strong winds from the W on Sat night, light winds from the SW by Mon night).
Iwanai Resort Weather (Days 4-6): A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -15°C on Wed night). Winds increasing (calm on Tue afternoon, gales from the NW by Thu night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -16 |  | ||||
| Middle Lift: | -12 | | ||||
| Bottom Lift: | -9 | |
Latest snow reports near Iwanai Resort:
Continuous light snow reported from Kutchan at 179 metres elevation only 4 kms E of Niseko Hanazono Resort Ski Resort from Niseko Hanazono Resort
Continuous light snow reported from Otaru at 26 metres elevation only 3 kms ENE of Otaru Tenguyama Ski Resort from Otaru Tenguyama
Snowing heavily in Niseko Grand Hirafu. from Niseko Grand Hirafu
Snowing in Niseko Grand Hirafu. from Niseko Grand Hirafu
Sat 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | | |  | | | |  |  | |  | | | | |  | |
light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | cloudy | mod. snow | mod. snow | mod. snow | mod. snow | light snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
1 | 5 | — | — | — | 1 | 1 | 4 | — | — | 5 | 6 | 7 | 7 | 4 | 5 | 14 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -12 | -8 | -6 | -5 | -3 | -1 | 0 | -1 | -4 | -6 | -7 | -7 | -10 | -13 | -13 | -13 | -7 |
min °C | -12 | -10 | -8 | -5 | -4 | -1 | -1 | -3 | -5 | -8 | -8 | -9 | -12 | -15 | -15 | -13 | -10 |
-24 | -20 | -18 | -13 | -11 | -6 | -6 | -9 | -11 | -8 | -12 | -17 | -22 | -27 | -28 | -26 | -22 | |
87 | 90 | 78 | 79 | 89 | 98 | 97 | 99 | 83 | 63 | 89 | 95 | 95 | 91 | 90 | 92 | 96 | |
0 | 0 | 0 | 200 | 0 | 550 | 650 | 550 | 250 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — |
 | 4:08 | — | — | 4:08 | — | — | 4:09 | — | — | 4:10 | — | — | 4:12 | — | — | 4:13 | — |
A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max 0°C on Mon afternoon, min -12°C on Sat afternoon). Winds decreasing (strong winds from the W on Sat night, light winds from the SW by Mon night).
A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Tue afternoon, min -15°C on Wed night). Winds increasing (calm on Tue afternoon, gales from the NW by Thu night).
Latest snow reports near Iwanai Resort:
Continuous light snow reported from Kutchan at 179 metres elevation only 4 kms E of Niseko Hanazono Resort Ski Resort from Niseko Hanazono Resort
Continuous light snow reported from Otaru at 26 metres elevation only 3 kms ENE of Otaru Tenguyama Ski Resort from Otaru Tenguyama
Snowing heavily in Niseko Grand Hirafu. from Niseko Grand Hirafu
Snowing in Niseko Grand Hirafu. from Niseko Grand Hirafu
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 30 cm |
| Last snowfall: | 26 Dec 2025 |
| Snow Alerts | Create Alert |
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
5.2 | 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 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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