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.
View forecast
Deer Mountain at 1929 m altitude
Issued by Snow-Forecast.com at: 11 pm (local time) / 19 Aug 2026
Now
Next 4 days weather summary:Mostly dry. Warm (max 26°C on Fri morning, min 16°C on Wed night). Wind will be generally light. | Days 5-7 weather summary:Moderate rain (total 13.0mm), heaviest on Sun night. Warm (max 27°C on Sun afternoon, min 15°C on Mon night). Wind will be generally light. | |||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | |  | |  |  | | | | |
clear | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | t-storm risk | some clouds | light rain | rain shwrs | some clouds | some clouds | rain shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 2 | — | 1 | 7 | — | — | 1 |
max °C | 17 | 22 | 24 | 20 | 26 | 26 | 20 | 23 | 23 | 20 | 26 | 27 | 20 | 22 | 23 | 18 |
min °C | 16 | 20 | 23 | 18 | 24 | 24 | 16 | 20 | 23 | 18 | 23 | 24 | 18 | 20 | 22 | 15 |
chill °C | 16 | 20 | 23 | 18 | 24 | 24 | 16 | 20 | 23 | 18 | 23 | 24 | 18 | 20 | 22 | 15 |
Humid % | 30 | 28 | 21 | 35 | 26 | 28 | 41 | 42 | 39 | 69 | 43 | 35 | 54 | 44 | 32 | 39 |
Freeze m | 4750 | 4550 | 4800 | 4950 | 5000 | 5000 | 5100 | 4950 | 5050 | 5050 | 5300 | 5250 | 5150 | 5000 | 4700 | 4750 |
 | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — |
Days 7-16 weather summary:
Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.
SnowPro
Go pro and carve into:
- Hourly & 16-day snow forecasts
- Fast, ad-free browsing
- Unlock full access on app & web
- Exclusive member discounts
- 20+ years of snow history
- Snow hindcasts
Avalanche information: National Avalanche Center
Popular Deer Mountain Pages
Snow Radar
Latest snow reports near Deer Mountain:
Deer Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 22 May 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
Snow-Forecast Partner Offers
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. |
Deer Mountain Forecast Snowfall
Sign up or Login to accessSnow-Forecast Partner Offers
Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Deer Mountain at the specific elevation of 1929 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Deer 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.
Visitor Reviews of Deer Mountain
Nearest