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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Cerro Castor at 966 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 12 Aug 2026
Now
Next 4 days weather summary:Mostly dry. Freeze-thaw conditions (max 2°C on Thu afternoon, min -3°C on Sat afternoon). Wind will be generally light. | Days 5-7 weather summary:A light covering of new snow, mostly falling on Sat night. Freeze-thaw conditions (max 2°C on Sun night, min -5°C on Tue morning). Winds increasing (calm on Sun morning, near gales from the WNW by Mon night). | |||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  |  |  |  | |  | | |  | |
some clouds | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | light snow | light snow | snow shwrs | some clouds | cloudy | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 0 | 1 | 2 | 0 | 0 | 0 | 0 | -1 | -1 | -4 | -2 | 0 | 2 | -1 | 0 | 0 |
min °C | -1 | -1 | 1 | -1 | -1 | -1 | -1 | -1 | -3 | -4 | -3 | -1 | -1 | -1 | 0 | -2 |
chill °C | -1 | -1 | 1 | -5 | -5 | -3 | -1 | -1 | -5 | -8 | -8 | -5 | -9 | -7 | -7 | -11 |
Humid % | 59 | 52 | 49 | 56 | 57 | 63 | 55 | 59 | 63 | 97 | 91 | 66 | 74 | 93 | 94 | 90 |
Freeze m | 0 | 0 | 1450 | 0 | 0 | 950 | 700 | 0 | 700 | 250 | 200 | 850 | 1600 | 700 | 900 | 750 |
 | — | 8:56 | — | — | 8:55 | — | — | 8:52 | — | — | 8:49 | — | — | 8:48 | — | — |
 | — | — | 6:16 | — | — | 6:17 | — | — | 6:20 | — | — | 6:22 | — | — | 6:23 | — |
Days 7-16 weather summary:
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Avalanche information: Centro de Información de Avalanchas CIAV
Popular Cerro Castor Pages
Snow Radar
Latest snow reports near Cerro Castor:
Cerro Castor Snow Conditions
| Top snow depth: | 50 cm |
|---|---|
| Bottom snow depth: | 25 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 8 Aug 2026 |
| Snow Alerts | Create Alert |
Other resorts in Argentina are reporting: powder (1) / good piste (1)
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Snow History
Week 2 of August has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.9 | Powder days Fresh snow, limited sun, any wind. |
1.8 | Bluebird days Average snow, mostly sunny, light wind. |
Cerro Castor Forecast Snowfall
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Photos of Cerro Castor
La Brecha, a las 10:00 am by Marcos TDF
lonquimay volcano, Chile by dunclogie
Cerro Castor by Jorge E Lopez
Upload new photo Other resorts in Argentina are reporting: powder (1) / good piste (1)
The above table gives the weather forecast for Cerro Castor at the specific elevation of 966 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Cerro Castor. 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 Argentina.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Cerro Castor
Overall 3.9 Based on 37 votes and 22 reviews
- Snowsure
- Variety of pistes
- Vote
- franco from Argentina writes:
Cerro Castor se presenta nieve segura incluso en las temporadas más pobres. Poca cantidad de gente. Prolongada temporada con nieve primavera hasta fines de septiembre donde se disfruta buena temperatura y sol.
Visitor Reviews of Cerro Castor
franco from Argentina writes:
Cerro Castor se presenta nieve segura incluso en las temporadas más pobres. Poca cantidad de gente. Prolongada temporada con nieve primavera hasta fines de septiembre donde se disfruta buena temperatura y sol.
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