Portillo Re-Opens To Guests Arriving By Helicopter
Chile’s famous Portillo ski resort is reported to have re-opened to guests arriving by helicopter after being cut off by road for more than two weeks by over 6m/20 feet of snowfall.
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Marunuma Kogen at 1695 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 03 Aug 2026
Now
Next 4 days weather summary:Light rain (total 7.0mm), mostly falling on Mon night. Warm (max 20°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | Days 5-7 weather summary:Light rain (total 9.0mm), mostly falling on Fri afternoon. Warm (max 20°C on Fri morning, min 15°C on Sat night). Wind will be generally light. | |||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | | | | | |  | |
light rain | cloudy | some clouds | clear | clear | rain shwrs | rain shwrs | rain shwrs | t-storm risk | rain shwrs | rain shwrs | t-storm risk | rain shwrs | clear | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | — | — | — | — | 1 | 1 | 1 | 2 | 1 | 2 | 3 | 2 | — | — | — |
max °C | 15 | 16 | 17 | 16 | 20 | 19 | 17 | 20 | 19 | 17 | 20 | 19 | 17 | 20 | 20 | 16 |
min °C | 14 | 15 | 16 | 15 | 18 | 17 | 16 | 19 | 18 | 16 | 17 | 17 | 16 | 18 | 19 | 15 |
chill °C | 14 | 15 | 16 | 15 | 18 | 17 | 16 | 19 | 18 | 16 | 17 | 17 | 16 | 18 | 19 | 15 |
Humid % | 93 | 88 | 71 | 70 | 74 | 79 | 90 | 79 | 82 | 90 | 86 | 82 | 89 | 72 | 62 | 86 |
Freeze m | 5500 | 5400 | 5550 | 5650 | 5450 | 5400 | 5450 | 5350 | 5350 | 5350 | 5300 | 5150 | 5300 | 5200 | 5100 | 5050 |
 | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:52 | — | — | 4:52 | — | — |
 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:42 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
Popular Marunuma Kogen Pages
Snow Radar
Latest snow reports near Marunuma Kogen:
Marunuma Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 9 May 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
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Snow History
Week 1 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. |
Marunuma Kogen Forecast Snowfall
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Photos of Marunuma Kogen
Enjoy natural terrain by Chigira
Mount Nikko-Shirane by Chigira
Well-groomed slopes by Chigira
Upload new photo Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Marunuma Kogen at the specific elevation of 1695 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Marunuma Kogen. 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.
Visitor Reviews of Marunuma Kogen
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