This South America snow forecast is a modest early-winter update, with the best near-term snow focused from Corralco into northern Patagonia while the central Andes stay mostly light. Confidence is strongest from Wednesday, June 24 at 14:00 UTC through Sunday, June 28 at 03:00 UTC, when the individual models are converging on timing but still vary on exact intensity. Valle Nevado and Corralco have confirmed lift-served operations, while several other areas remain closed, partial, or still building toward the season, so expect a limited-resort-access pattern rather than a broad powder cycle.
Through Thursday, light snow showers favor the Chilean volcanic zone, with Corralco already in the continuation phase of a storm that began Wednesday morning. The individual models converge on Wednesday afternoon and Thursday timing, with only minor intensity spread for central Chile, generally around 0-2 cm for Portillo, La Parva, Valle Nevado, and El Colorado. Snow levels there mostly sit near 2,000-2,800 meters when showers pass. Around Corralco and Nevados de Chillán, snow levels are lower, mostly 1,200-1,800 meters, and SLRs of 5-10:1 point to dense snow early. Wind impacts are more pronounced south of the central Andes, with stronger model solutions showing gusts near 75 km/h.
Friday into Saturday night is the main confidence period for ski-quality snowfall, centered on Cerro Catedral, Chapelco, and Corralco. Model timing is well clustered around a Friday wave followed by colder Saturday showers, while intensity diverges from a modest refresh to a stronger northern Patagonia event. Snow levels during the heavier Friday portion mostly run 1,100-1,600 meters before lowering to roughly 600-1,100 meters Saturday, which supports snow at mid and upper elevations. SLRs start dense to moderate at 5-10:1, then improve to 10-14:1 as colder air arrives, with the strongest wind signals showing gusts near 90-100 km/h during the Friday peak.
From Sunday through the middle of next week, confidence drops as the individual models diverge around the Cerro Castor storm signal. The realistic takeaway is a potential 10-25 cm event around Sunday night through Tuesday, with snow levels generally low enough for the base but intensity and wind still uncertain. A stronger outlier keeps the Ushuaia-area pattern snowier and windier, while quieter solutions taper faster. Elsewhere, the central Andes look mostly dry after the early light showers, and northern Patagonia trends colder but less active, with only spotty leftovers possible around Tuesday or Wednesday.
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South America Snow Forecast Resort Totals (Wed Jun 24 – Sun Jun 28)
- Corralco – 14-20 cm
- Chapelco – 12-17 cm
- Cerro Catedral – 11-15 cm
- Nevados de Chillán – 4-6 cm
- Cerro Castor – 3-5 cm
- Valle Nevado – 1-2 cm
- Las Leñas – 1-2 cm
- Portillo – 1 cm
- El Colorado – 0-1 cm
- La Parva – 0-1 cm