South American Ski Area Extends Season After Huge Snowfalls
Chile’s Portillo ski area has announced it is extending its 2026 season by several week into mid-October after massive snowfalls over the past month.
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Sundown Mountain at 359 m altitude
Issued by Snow-Forecast.com at: 12 pm (local time) / 19 Aug 2026
Now
Next 3 days weather summary:Light rain (total 2.0mm), mostly falling on Thu night. Warm (max 25°C on Fri afternoon, min 16°C on Wed night). Wind will be generally light. | Days 4-6 weather summary:Some drizzle, heaviest during Sat afternoon. Warm (max 25°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  | | | | | | | | | | |
clear | cloudy | clear | clear | some clouds | rain shwrs | rain shwrs | clear | some clouds | clear | rain shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — |
max °C | 23 | 23 | 19 | 23 | 24 | 19 | 24 | 25 | 20 | 24 | 25 | 21 | 21 | 22 | 18 | 20 | 21 | 17 |
min °C | 20 | 21 | 16 | 20 | 22 | 17 | 21 | 23 | 17 | 21 | 24 | 15 | 19 | 21 | 13 | 17 | 20 | 14 |
chill °C | 20 | 21 | 16 | 20 | 22 | 17 | 21 | 23 | 17 | 21 | 24 | 15 | 19 | 21 | 12 | 17 | 20 | 14 |
Humid % | 73 | 57 | 64 | 56 | 46 | 79 | 79 | 65 | 78 | 72 | 64 | 66 | 67 | 59 | 75 | 62 | 50 | 74 |
Freeze m | 3800 | 3850 | 3850 | 3900 | 4050 | 4150 | 3900 | 4250 | 4200 | 3900 | 4000 | 4100 | 4150 | 4350 | 4450 | 4500 | 4500 | 4500 |
 | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 7:59 | — | — | 7:57 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — | — | 7:51 | — |
Days 7-16 weather summary:
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Avalanche information: National Avalanche Center
Popular Sundown Mountain Pages
Snow Radar
Latest snow reports near Sundown Mountain:
Sundown Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 17 Mar 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Iowa are reporting: powder (0) / good piste (0)
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Snow History
Week 3 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. |
Sundown Mountain Forecast Snowfall
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Other resorts in USA - Iowa are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Sundown Mountain at the specific elevation of 359 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sundown Mountain. 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
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