A weather-model figure, worked out the same way for every ski area, and lower than what actually falls. Use it to compare ski areas, not against the resort’s own totals. How we measure →
Snow 24h
0 cm
Next 24h
5 cm
Temperature
2°C
Max wind
8 km/h
Elevation
2,578–3,347 m
Updated: 10 Nov 2026, 12:15
We do not show a snow depth here. The weather model we use reports snow lying on the ground — it knows nothing about grooming or snowmaking, and it is not the base depth a ski area publishes. In Japan we can check our figures against 234 weather stations. Outside Japan there is nothing to check them against, so we do not print a number we have not verified.Snow report on the official site ↗
7-day outlook
Date
Weather
Snow (cm)
Low / high (°C)
Wind (km/h)
Tue 10 Nov
Snow showers
5
−2 to 4
8
Wed 11 Nov
Cloudy
0
−1 to 8
9
Thu 12 Nov
Cloudy
0
1 to 8
8
Fri 13 Nov
Cloudy
0
3 to 9
8
Sat 14 Nov
Cloudy
0
3 to 8
8
Sun 15 Nov
Snow showers
2
−3 to 6
8
Mon 16 Nov
Snow showers
1
−4 to 6
6
Score breakdown
Fresh (48h)0/40
Forecast (24h)9/25
Snow quality0/20
Wind10/10
Base2/5
The five add up to the 100-point Powder Score: more fresh snow, more on the way and colder air all push it up. How we measure
Ski Portillo, in Valparaíso, Chile, runs from 2,578 m at the base to 3,347 m at the top. The map shows 27 marked runs and 14 lifts (about 15 km of piste in all).
Over the last twelve winters the ERA5 weather model gives it 326 cm of snowfall a season, 378th (tied) of 3,069 worldwide and 6th in Chile. It swings a lot from year to year: the biggest winter, 2026 (642 cm), brought more than 5 times as much as the leanest, 2019 (123 cm). Snowfall days average −3.1°C at mid-mountain, and its snow-quality score ranks 1st of 11 in Chile.
Runs and lifts
Counted from the runs and lifts drawn on OpenStreetMap, within the boundary of the ski area. These are not the resort’s own published figures.
Marked runs
27
Run length
15km
Lifts
14
Vertical
769m
Top 3,347 m · base 2,578 m
Run map
NoviceEasyIntermediateAdvancedOtherLift
North is up. Runs are coloured by difficulty; black lines are lifts.Slope shape, difficulty and lift types
The shape of the mountain
Longest run on the map2.0 km
Steepest pitch47°measured over at least 30 m
Average gradient of the runs16.3°
Which way the slopes face
North2%
East36%
South33%
West29%
Only 38% of the vertical on the runs descends to the north or east. The most common direction is east (36%).
The most snow falls in June. September brings 87% of July’s snowfall. That is a gentler fall than the median for ski areas in Chile (77%). In amount, September brings 54 cm, about the same as the median of 54 cm.
104cmJun
62cmJul
74cmAug
54cmSep
Average snowfall by month, last 12 winters
Winter by winter
Across the 12 winters measured, the average is 326 cm, and 8 of them fell short of it. The leanest was 2019 with 123 cm; the biggest was 2026 with 642 cm (5.2 times as much).
319
215
219
280
123
328
231
306
584
409
254
642
’15’16’17’18’19’20’21’22’23’24’25’26
Snowfall each winter (June–September total). The dashed line is the average; the numbers mark the leanest and the biggest winter.
Map
The weather map, and where it sits among nearby ski areas.
Nevados de Chillán gets 752 cm a season, 3rd of the 3,069 ski areas we measure and the most in South America by a distance. Its snow falls at an average of +0.3 °C, which is the catch, and its winters run from 188 cm to 1,121 cm.