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Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: A dusting of new snow. Temperatures will be below freezing (max -1°C on Fri morning, min -11°C on Tue afternoon). Winds decreasing (strong winds from the W on Wed night, light winds from the W by Fri morning).
Iwanai Resort Weather (Days 4-6): Mild at first with light rain (total 2.0mm) on Sat morning followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 5°C on Sat morning, min -7°C on Sun night). Winds decreasing (strong winds from the WSW on Sat morning, calm by Mon morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -15 |  | ||||
| Middle Lift: | -11 | | ||||
| Bottom Lift: | -7 | |
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
Freezing rain reported from Otaru at 26 metres elevation only 3 kms ENE of Otaru Tenguyama but it is forecast cold enough for snow at the ski area from Otaru Tenguyama
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||
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 | snow shwrs | cloudy | cloudy | cloudy | rain shwrs | cloudy | mod. snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 1 | — | — | 1 | — | — | — | — | — | — | — | — | 8 | — | 1 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | |
max °C | -9 | -11 | -10 | -10 | -10 | -8 | -7 | -5 | -1 | -1 | 3 | 5 | 4 | 2 | -2 | -3 | -6 |
min °C | -11 | -11 | -10 | -10 | -10 | -9 | -7 | -6 | -3 | -1 | 0 | 4 | 3 | -3 | -2 | -5 | -7 |
-22 | -22 | -20 | -20 | -20 | -19 | -16 | -14 | -8 | -6 | -6 | -2 | -3 | -8 | -5 | -11 | -14 | |
86 | 83 | 83 | 82 | 81 | 80 | 79 | 76 | 65 | 88 | 97 | 95 | 91 | 99 | 62 | 56 | 77 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 500 | 1100 | 1550 | 1450 | 500 | 0 | 0 | 0 | |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | 4:04 | — | — | 4:04 | — | — | 4:04 | — | — | 4:05 | — | — | 4:05 | — | — | 4:05 | — |
A dusting of new snow. Temperatures will be below freezing (max -1°C on Fri morning, min -11°C on Tue afternoon). Winds decreasing (strong winds from the W on Wed night, light winds from the W by Fri morning).
Mild at first with light rain (total 2.0mm) on Sat morning followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 5°C on Sat morning, min -7°C on Sun night). Winds decreasing (strong winds from the WSW on Sat morning, calm by Mon morning).
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
Freezing rain reported from Otaru at 26 metres elevation only 3 kms ENE of Otaru Tenguyama but it is forecast cold enough for snow at the ski area from Otaru Tenguyama
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 23 cm |
| Last snowfall: | 15 Dec 2025 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
6.2 | 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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