El Niño Outlook · Winter 2026
Chapelco El Niño rank & forecast
Chapelco ranks #121 of 488 SnowSure resorts — Tier B, +7% in strong El Niño winters.
Tier B — Favored: Modest El Niño upside (+3% to +8% vs normal). Often a solid pick, without the biggest Andes-style swings.
Strong-event signal: +7% vs this resort's 30-yr avg
In the three strongest El Niño winters on record ('97-98, '15-16, '23-24), Chapelco averaged +7% versus its own 30-year snowfall baseline. The pattern has historically leaned mildly in this resort's favor for winter 2026. Analog winters: '97-98 -6%, '15-16 +7%, '23-24 +20%. A pattern, not a promise.
In-season scorecard
Predicted signal
+7%
Measured to date
−15%
Season total
242 cm
Vs predicted
−22%
Predicted signal vs measured season-to-date against this resort's own climatology.












