A potent NW-flow storm slams into southern Chile Thursday evening via Friday (July 24-25, 2025), dropping effectively over a foot of dense base-building snow on Nevados de Chillán and Corralco. Colder air slides east on Saturday, July 26, flipping the script to light-density powder throughout northern Patagonia—assume Chapelco and Cerro Catedral. The moisture axis then lifts north, giving the central Chilean resorts (Portillo, El Colorado, Valle Nevado, La Parva) a decent refresh late Sunday into Monday. Anticipate three distinct chase home windows, every with totally different snow flavors.
Key Factors
Good: Southern Chile sees the most important single-shot totals—as much as nineteen inches at Nevados de Chillán—with snow ranges beneath the bottom, making certain all-snow to the valley flooring. Patagonia scores traditional blower powder Saturday (SLR ≈ 14–15) beneath chilly temps and modest winds, whereas Portillo enjoys calm winds and as much as 9 inches of contemporary by Monday morning, preserving lifts spinning and face-shots plentiful.Unhealthy: Friday’s southern-Chile dump arrives with sturdy ridge-top gusts close to fifty mph, doubtless closing uncovered lifts early. Central-Andes snow ranges rise sharply Monday (peaking round 9 thousand toes), so decrease terminals at El Colorado/Valle Nevado may even see a moist combine. Corralco’s Friday totals are deep however heavy (SLR ≈ 8), and lingering wind might slab the higher bowls.
Every day Forecast
Picture: WeatherBell/Powderchasers
Friday (July 25)
Chase south: Nevados de Chillán will stack 15–19″ in a single day and thru the day, with snow ranges close to 4,700 ft—full protection from base to summit. Winds ease by noon, however count on early wind holds. Corralco grabs 13–16″ in the identical window; snow is a contact heavier (SLR ≈ 8–9) but nonetheless surfy beneath tree line.
Picture: WeatherBell/Powderchasers
Saturday (July 26)
Goal for Patagonia blower: Chapelco collects 5–7″ fluff Friday evening plus Saturday, SLR flirting with 14+, snow degree close to 1,500 ft, and lightweight winds—pure hero powder. Cerro Catedral is a detailed second with 2–3″ new however equally low-density snow atop a refreshed base.
Picture: WeatherBell/Powderchasers
Sunday (July 27)
Modest refresh, high quality varies: One other pulse brings 5–8″ of mid-density snow to Nevados de Chillán (snow degree ~5,000 ft) and three–6″ to Corralco, each rideable although wind might drift uncovered slopes. Central-Andes resorts begin choosing up 3–5″ by final chair, setting the desk for Monday.
Picture: WeatherBell/Powderchasers
Monday (July 28)
Central Andes reset: Portillo leads with 5–9″ in a single day+daytime totals (SLR ≈ 10–11), minimal wind, and snow ranges just under base—easy chalky activates Roca Jack. El Colorado/La Parva/Valle Nevado nab 3–6″ up excessive, however rising temps imply keep above mid-mountain for highest quality. Southern zones wind down with solely traces.
Regional Detailed Forecast
A deep subtropical faucet funnels moisture into south-central Chile late Thursday, wringing out one-to-two inches of liquid. With 31°F floor temps and snow ranges round 4,500 ft, and money in huge—dense, wind-buffed snow Thursday evening easing to reasonable winds by Friday afternoon. Chilly advection Friday evening drags snow ranges to close 3,000 ft throughout Araucanía and Río Negro, turning new snow blower-light for and the place temps dip to the higher teenagers. Gentle E-NE circulation retains winds manageable beneath 15 mph, preserving that dry smoke via Sunday morning.A deep subtropical faucet funnels moisture into south-central Chile late Thursday, wringing out one-to-two inches of liquid. With 31 °F floor temps and snow ranges round 4,500 ft, Nevados de Chillán and Corralco money in huge—dense, wind-buffed snow Thursday evening easing to reasonable winds by Friday afternoon. Chilly advection Friday evening drags snow ranges to close 3,000 ft throughout Araucanía and Río Negro, turning new snow blower-light for Chapelco and Cerro Catedral the place temps dip to the higher teenagers. Gentle E-NE circulation retains winds manageable beneath 15 mph, preserving that dry smoke via Sunday morning.Additional north, the central Chilean trio (Portillo, El Colorado, Valle Nevado, La Parva) stays largely dry till a Sunday evening impulse rides the identical hall. Snow ranges begin close to 7,000 ft however drop towards 6,000 ft into early Monday, delivering 4–9″ of mid-density powder above treeline. Portillo advantages from calm NW→SE circulation (<10 mph) and temperatures within the mid-twenties, whereas the Santiago-sector resorts face barely hotter air and a short 30 mph NW gust window that might ice decrease carry traces. Anticipate Monday to ski smooth up excessive and gluey beneath mid-stations.General, the week favors a south-to-north development: deep however heavy in southern Chile Friday, traditional Patagonian blower Saturday, and a tidy central-Andes reset to kick off the work week.
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