Next 3 days weather summary:Moderate rain (total 18.0mm), heaviest on Thu afternoon. Very mild (max 19°C on Wed morning, min 17°C on Tue morning). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 24.0mm), heaviest during Fri afternoon. Very mild (max 17°C on Fri morning, min 16°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | |  |  | | |  | | | | |  | |
cloudy | some clouds | some clouds | some clouds | t-storm risk | clear | t-storm risk | t-storm risk | mod. rain | light rain | t-storm risk | some clouds | rain shwrs | t-storm risk | some clouds | light rain | t-storm risk | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 2 | — | 2 | 5 | 9 | 2 | 7 | — | 1 | 4 | — | 1 | 8 | 1 |
max °C | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 |
min °C | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 17 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 |
chill °C | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 17 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 |
Humid % | 83 | 83 | 81 | 76 | 86 | 85 | 82 | 87 | 82 | 83 | 83 | 87 | 90 | 82 | 81 | 76 | 88 | 83 |
Freeze m | 5050 | 5050 | 5050 | 4950 | 4950 | 4900 | 4900 | 4850 | 4800 | 4650 | 4700 | 4700 | 4650 | 4750 | 4700 | 4750 | 4750 | 4800 |
 | 4:56 | — | — | 4:56 | — | — | 4:58 | — | — | 4:58 | — | — | 5:00 | — | — | 5:01 | — | — |
 | — | 6:29 | — | — | 6:28 | — | — | 6:25 | — | — | 6:24 | — | — | 6:23 | — | — | 6:22 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Grandeko Ski Resort:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 9 May 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | 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 Grandeko Ski Resort at the specific elevation of 1590 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Grandeko Ski 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.
Overall 2.8 Based on 1 vote and 2 reviews
Early Jan 2008 Snow Condition:fresh powder everywhere. Pros: wasn't busy in the morning, snow condition, trees on the pistes. Cons: a little small, busy from lunchtime onwards, some flat bits at the bottom. I loved this place (Grandeko Ski Resort). We got the night bus up and so we were the first ones on the lifts and there were zero crowds until lunchtime. This resort is a little small, but when you have it to yourself you don't mind so much. I think this would be good for families as all the runs come together at the bottom ensuring that no one gets lost. The snow here was great, it was snowing all night as we were driving there, then it stopped about 7am just before the lifts opened, so when the sun came out I discovered 1st tracks; I thought I was in heaven. They had a couple of nice runs where they have allowed some trees to remain, and for someone like me who is just building up his skills, this gave me the opportunity to start to develop tree riding skills. I definitely enjoyed myself here.
Daz from Japan writes:
Early Jan 2008
Snow Condition:fresh powder everywhere.
Pros: wasn't busy in the morning, snow condition, trees on the pistes.
Cons: a little small, busy from lunchtime onwards, some flat bits at the bottom.
I loved this place (Grandeko Ski Resort). We got the night bus up and so we were the first ones on the lifts and there were zero crowds until lunchtime. This resort is a little small, but when you have it to yourself you don't mind so much. I think this would be good for families as all the runs come together at the bottom ensuring that no one gets lost. The snow here was great, it was snowing all night as we were driving there, then it stopped about 7am just before the lifts opened, so when the sun came out I discovered 1st tracks; I thought I was in heaven. They had a couple of nice runs where they have allowed some trees to remain, and for someone like me who is just building up his skills, this gave me the opportunity to start to develop tree riding skills. I definitely enjoyed myself here.
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