New €155m Les Grands Montets Lift Begins Opening This Winter
Closed since the devastating 2018 fire, the first part of the flagship new Grands Montets lift above Argentière in the Chamonix Valley is set to open this December.
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Manza Onsen at 1820 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 20 Sep 2026
Next 3 days weather summary:Heavy rain (total 42.0mm), heaviest during Mon night. Very mild (max 16°C on Mon afternoon, min 11°C on Tue afternoon). Wind will be generally light. | Days 4-6 weather summary:Moderate rain (total 15.0mm), heaviest on Fri night. Very mild (max 15°C on Wed morning, min 11°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  |  | |  | | |  | | | | |
light rain | light rain | mod. rain | light rain | light rain | heavy rain | mod. rain | rain shwrs | clear | clear | clear | some clouds | rain shwrs | rain shwrs | light rain | light rain | light rain | mod. rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1 | 2 | 6 | 3 | 3 | 20 | 6 | 1 | — | — | — | — | 1 | 2 | 2 | 2 | 2 | 6 |
max °C | 15 | 15 | 15 | 15 | 16 | 16 | 14 | 12 | 12 | 15 | 15 | 12 | 14 | 14 | 13 | 14 | 14 | 12 |
min °C | 15 | 14 | 14 | 15 | 15 | 15 | 13 | 11 | 11 | 13 | 12 | 11 | 13 | 13 | 12 | 12 | 12 | 11 |
chill °C | 15 | 13 | 13 | 14 | 14 | 14 | 11 | 9 | 10 | 13 | 12 | 10 | 12 | 13 | 12 | 12 | 12 | 11 |
Humid % | 90 | 93 | 95 | 96 | 95 | 96 | 96 | 72 | 60 | 48 | 65 | 92 | 86 | 81 | 90 | 86 | 77 | 94 |
Freeze m | 4800 | 4900 | 5050 | 5200 | 5200 | 5400 | 4950 | 5150 | 4900 | 4650 | 4450 | 4350 | 4250 | 4350 | 4250 | 4200 | 4200 | 4000 |
 | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — |
 | — | 5:46 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — | — | 5:40 | — | — | 5:38 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
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Latest snow reports near Manza Onsen:
Manza Onsen 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 3 of September 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. |
Manza Onsen Forecast Snowfall
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Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Manza Onsen at the specific elevation of 1820 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Manza Onsen. 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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