Access Road to Ski Portillo in Chile Now Closed For 4 Weeks Straight
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Okunakayama Kōgen at 1000 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 11 Aug 2026
Now
Next 4 days weather summary:Moderate rain (total 11.0mm), heaviest on Tue night. Warm (max 21°C on Thu afternoon, min 18°C on Tue night). Winds decreasing (fresh winds from the ESE on Wed morning, light winds from the S by Fri afternoon). | Days 5-7 weather summary:Mostly dry. Warm (max 21°C on Sat afternoon, min 17°C on Sat night). Wind will be generally light. | |||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  | | | | | | | | | |
light rain | t-storm risk | t-storm risk | cloudy | t-storm risk | clear | clear | some clouds | t-storm risk | clear | clear | clear | clear | clear | some clouds | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 4 | 2 | 2 | — | 1 | — | — | — | 2 | — | — | — | — | — | — | — |
max °C | 18 | 19 | 20 | 19 | 20 | 21 | 19 | 20 | 20 | 19 | 20 | 21 | 18 | 20 | 20 | 17 |
min °C | 18 | 18 | 19 | 18 | 19 | 20 | 18 | 19 | 20 | 18 | 19 | 19 | 17 | 19 | 19 | 17 |
chill °C | 17 | 17 | 18 | 17 | 18 | 20 | 18 | 19 | 20 | 18 | 19 | 19 | 17 | 19 | 19 | 17 |
Humid % | 98 | 92 | 84 | 98 | 89 | 77 | 85 | 93 | 87 | 85 | 84 | 78 | 53 | 65 | 74 | 57 |
Freeze m | 4850 | 4700 | 4650 | 4750 | 4700 | 4750 | 4750 | 4700 | 4750 | 4700 | 4750 | 4800 | 4750 | 4700 | 4750 | 4900 |
 | — | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | 4:45 | — | — | 4:46 | — | — |
 | — | — | 6:37 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:30 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
Popular Okunakayama Kōgen Pages
Snow Radar
Latest snow reports near Okunakayama Kōgen:
Okunakayama Kōgen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 11 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)
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Snow History
Week 2 of August has on average:
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. |
Okunakayama Kōgen Forecast Snowfall
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Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Okunakayama Kōgen at the specific elevation of 1000 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Okunakayama Kōgen. 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.
Resort name is also written as Okunakayama Kogen.
Visitor Reviews of Okunakayama Kōgen
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