Iwanai Resort Weather (Next 3 days): The snow forecast for Iwanai Resort is: A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon morning, min -7°C on Sat morning). Winds decreasing (strong winds from the NW on Sat morning, light winds from the WSW by Sun night).
Iwanai Resort Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 3°C on Thu morning, min -3°C on Tue afternoon). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -10 |  | ||||
| Middle Lift: | -6 | | ||||
| Bottom Lift: | -1 | |
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | |  | |  | | |  |  | |  | | | | |
light snow | light snow | cloudy | snow shwrs | snow shwrs | cloudy | cloudy | light snow | light snow | snow shwrs | snow shwrs | clear | clear | cloudy | some clouds | some clouds | some clouds | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -5 | -2 | 0 | 1 | 0 | 3 | 2 | -1 | -2 | -2 | -3 | 1 | 1 | 0 | 3 | 3 | 2 |
min °C | -7 | -5 | -4 | 0 | 0 | -1 | 2 | 1 | -3 | -2 | -3 | -3 | 0 | 0 | 0 | 2 | 2 | 0 |
-17 | -13 | -11 | -6 | -5 | -5 | -3 | -3 | -9 | -8 | -8 | -7 | -2 | 0 | 0 | 0 | -1 | -4 | |
74 | 82 | 77 | 77 | 81 | 63 | 61 | 75 | 74 | 85 | 82 | 59 | 44 | 45 | 50 | 49 | 58 | 81 | |
0 | 250 | 350 | 700 | 900 | 400 | 1100 | 1050 | 600 | 500 | 550 | 0 | 750 | 900 | 750 | 1100 | 1150 | 950 | |
 | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — | 5:35 | — | — | 5:33 | — | — | 5:31 | — | — |
 | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:55 | — |
A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon morning, min -7°C on Sat morning). Winds decreasing (strong winds from the NW on Sat morning, light winds from the WSW by Sun night).
A dusting of new snow. Freeze-thaw conditions (max 3°C on Thu morning, min -3°C on Tue afternoon). Wind will be generally light.
Latest snow reports near Iwanai Resort:
Snowing in Niseko Grand Hirafu. from Niseko Grand Hirafu
It is snowing heavily in Rusutsu Resort. from Rusutsu Resort
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 16 cm |
| Last snowfall: | 20 Mar 2026 |
| Snow Alerts | Create Alert |
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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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