Fresh Snowfall In the Alps
Ski areas in the Alps are celebrating the first significant fresh snowfall of September, with accumulations of up to 20cm (8") reported.
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Osa at 1030 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 14 Sep 2026
Next 3 days weather summary:Heavy rain (total 23.0mm), heaviest during Mon afternoon. Very mild (max 19°C on Mon afternoon, min 16°C on Tue night). Wind will be generally light. | Days 4-6 weather summary:Light rain (total 4.0mm), mostly falling on Fri afternoon. Warm (max 20°C on Thu afternoon, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | | |  |  |  | | |  | |
light rain | mod. rain | t-storm risk | t-storm risk | some clouds | light rain | t-storm risk | some clouds | some clouds | some clouds | some clouds | cloudy | rain shwrs | light rain | some clouds | rain shwrs | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 10 | 4 | 2 | — | 1 | 1 | — | — | — | — | — | 1 | 2 | — | 1 | — |
max °C | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 19 | 20 | 17 | 19 | 19 | 18 | 19 | 18 | 17 |
min °C | 18 | 18 | 18 | 18 | 16 | 17 | 17 | 16 | 17 | 18 | 16 | 18 | 18 | 17 | 17 | 18 | 17 |
chill °C | 18 | 18 | 18 | 18 | 16 | 17 | 17 | 16 | 17 | 18 | 16 | 18 | 18 | 17 | 17 | 18 | 17 |
Humid % | 99 | 95 | 94 | 86 | 83 | 84 | 88 | 74 | 55 | 58 | 64 | 56 | 70 | 87 | 79 | 85 | 75 |
Freeze m | 4700 | 4550 | 4450 | 4450 | 4400 | 4350 | 4100 | 4500 | 4450 | 4550 | 4700 | 4650 | 4650 | 4500 | 4550 | 4750 | 4800 |
 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | 6:20 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
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Latest snow reports near Osa:
Osa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
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Snow History
Week 2 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. |
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Osa at the specific elevation of 1030 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. 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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