Access Road to Ski Portillo in Chile Now Closed For 4 Weeks Straight
Access to the iconic ski resort of Portillo in Chile by road has now been closed for what’s thought to be and unprecedented four straight weeks.
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Biwako Valley at 1062 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 13 Aug 2026
Now
Next 3 days weather summary:Light rain (total 9.0mm), mostly falling on Thu afternoon. Warm (max 22°C on Fri afternoon, min 19°C on Thu night). Mainly fresh winds. | Days 4-6 weather summary:Some drizzle, heaviest during Mon morning. Warm (max 23°C on Tue afternoon, min 19°C on Sun night). Winds decreasing (fresh winds from the SE on Sun night, calm by Tue afternoon). | ||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  |  |  | | |  | | | | | |
t-storm risk | clear | rain shwrs | t-storm risk | rain shwrs | rain shwrs | t-storm risk | cloudy | light rain | cloudy | cloudy | light rain | some clouds | clear | some clouds | some clouds | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1 | — | 1 | 2 | 1 | 1 | 2 | — | 1 | — | — | 1 | — | — | — | — | — |
max °C | 21 | 19 | 21 | 22 | 20 | 21 | 21 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 21 | 23 | 22 |
min °C | 21 | 19 | 19 | 21 | 19 | 20 | 21 | 19 | 20 | 21 | 19 | 19 | 20 | 19 | 21 | 23 | 21 |
chill °C | 21 | 18 | 19 | 21 | 19 | 20 | 21 | 18 | 20 | 21 | 18 | 18 | 20 | 19 | 21 | 23 | 21 |
Humid % | 77 | 82 | 88 | 78 | 86 | 81 | 81 | 68 | 81 | 79 | 73 | 82 | 83 | 82 | 74 | 71 | 76 |
Freeze m | 4600 | 4700 | 4700 | 4750 | 4900 | 4800 | 4900 | 4900 | 4900 | 4950 | 5100 | 5200 | 5150 | 5250 | 5200 | 5250 | 5350 |
 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — |
 | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
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Snow Radar
Latest snow reports near Biwako Valley:
Biwako Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Shiga 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. |
Biwako Valley Forecast Snowfall
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Other resorts in Japan - Shiga are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Biwako Valley at the specific elevation of 1062 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Biwako Valley. 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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