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
Lost Valley at 36 m altitude
Issued by Snow-Forecast.com at: 7 pm (local time) / 19 Aug 2026
Now
Next 4 days weather summary:Light rain (total 3.0mm), mostly falling on Sat afternoon. Warm (max 28°C on Thu afternoon, min 15°C on Thu night). Wind will be generally light. | Days 5-7 weather summary:Heavy rain (total 23.0mm), heaviest during Sat night. Warm (max 26°C on Mon afternoon, min 11°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 | |
 |  |  |  |  | | | |  |  | | |  |  |  |  | |
rain shwrs | some clouds | cloudy | some clouds | clear | clear | some clouds | cloudy | light rain | heavy rain | cloudy | cloudy | light rain | t-storm risk | rain shwrs | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1 | — | — | — | — | — | — | — | 2 | 18 | — | — | 2 | 2 | 1 | — |
max °C | 21 | 26 | 28 | 22 | 24 | 27 | 20 | 20 | 21 | 15 | 19 | 24 | 18 | 23 | 26 | 18 |
min °C | 16 | 19 | 26 | 15 | 18 | 26 | 15 | 16 | 15 | 13 | 16 | 22 | 16 | 19 | 22 | 11 |
chill °C | 16 | 19 | 26 | 15 | 18 | 26 | 15 | 16 | 15 | 12 | 16 | 22 | 16 | 19 | 22 | 11 |
Humid % | 81 | 44 | 43 | 72 | 31 | 26 | 60 | 52 | 92 | 98 | 76 | 71 | 100 | 71 | 49 | 81 |
Freeze m | 3800 | 3700 | 3300 | 3400 | 3700 | 3500 | 3950 | 3900 | 3900 | 4300 | 4300 | 4250 | 3850 | 3600 | 3500 | 2900 |
 | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — |
 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — |
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 Lost Valley Pages
Snow Radar
Latest snow reports near Lost Valley:
Lost Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Maine 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. |
Lost Valley Forecast Snowfall
Sign up or Login to accessSnow-Forecast Partner Offers
Other resorts in USA - Maine are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Lost Valley at the specific elevation of 36 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Lost 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Lost Valley
Overall 4.8 Based on 1 vote and 1 review
- Snowsure
- Variety of pistes
- Vote
- Melinda Chadbourne from United States writes:
Lost Valley is a great place to spend the day with your family. They have an excellent ski school and the mountain is just the right size for learning and intermediate skiing families.
Visitor Reviews of Lost Valley
Melinda Chadbourne from United States writes:
Lost Valley is a great place to spend the day with your family. They have an excellent ski school and the mountain is just the right size for learning and intermediate skiing families.
Nearest