El Niño Outlook · Winter 2026-27
Bigrock Mountain El Niño rank & forecast
Bigrock Mountain ranks #195 of 488 SnowSure resorts — Tier C, +1% in strong El Niño winters.
Tier C — ENSO-proof: Strong El Niño winters looked like a normal year here — within about ±3% of this resort’s own 30-year snowfall average. Not a jackpot, not a bust: a hedge if you’re planning around El Niño.
#195 of 488Tier C — ENSO-proof
Strong-event signal: +1% vs this resort's 30-yr avg
In the three strongest El Niño winters on record ('97-98, '15-16, '23-24), Bigrock Mountain averaged +1% versus its own 30-year snowfall baseline. El Niño has historically made little difference here — this is an ENSO-proof mountain, for winter 2026-27 as in past events. Analog winters: '97-98 +15%, '15-16 -4%, '23-24 -7%. A pattern, not a promise.
'97-98 +15%'15-16 −4%'23-24 −7%
