Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: Mostly dry. Freeze-thaw conditions (max 3°C on Fri morning, min -8°C on Tue night). Winds decreasing (fresh winds from the WSW on Tue afternoon, calm by Wed night).
Iwanai Resort Weather (Days 4-6): Mild with moderate rain (total 10.0mm) on Fri night, Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 2°C on Fri afternoon, min -8°C on Sat night). Winds increasing (light winds from the SW on Fri night, fresh winds from the WNW by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -10 |  | ||||
| Middle Lift: | -7 | | ||||
| Bottom Lift: | -4 | |
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  |  | |  |  |  | | | | | | |
cloudy | some clouds | clear | clear | some clouds | cloudy | some clouds | cloudy | cloudy | light rain | light snow | light snow | light snow | light snow | cloudy | cloudy | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 4 | — | — | — | |
— | — | — | — | — | — | — | — | — | 1 | 9 | — | — | — | — | — | — | |
max °C | -7 | -7 | -4 | -3 | -2 | 2 | 2 | 0 | 3 | 2 | 2 | 1 | -3 | -6 | -7 | -6 | -5 |
min °C | -7 | -8 | -6 | -3 | -3 | 0 | 0 | -1 | 1 | 2 | 2 | -1 | -5 | -8 | -7 | -7 | -6 |
-16 | -12 | -10 | -8 | -5 | -4 | -2 | -4 | -2 | -2 | -2 | -7 | -12 | -17 | -15 | -16 | -14 | |
59 | 57 | 46 | 36 | 48 | 45 | 41 | 61 | 72 | 95 | 99 | 99 | 98 | 93 | 77 | 55 | 48 | |
0 | 0 | 0 | 0 | 0 | 0 | 1700 | 0 | 1400 | 1700 | 1800 | 1000 | 250 | 0 | 0 | 0 | 0 | |
 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — |
 | 5:19 | — | — | 5:20 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:24 | — |
Mostly dry. Freeze-thaw conditions (max 3°C on Fri morning, min -8°C on Tue night). Winds decreasing (fresh winds from the WSW on Tue afternoon, calm by Wed night).
Mild with moderate rain (total 10.0mm) on Fri night, Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 2°C on Fri afternoon, min -8°C on Sat night). Winds increasing (light winds from the SW on Fri night, fresh winds from the WNW by Sat night).
Latest snow reports near Iwanai Resort:
It is snowing steadily in Kiroro Resort. from Kiroro Resort
Snow is falling at Niseko Grand Hirafu. from Niseko Grand Hirafu
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 22 Feb 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
5.0 | 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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