Mammoth Mountain, California Ski Report

Mammoth's Early Season Ski Conditions: Improving Snow, Varied Terrain, and Evolving Openings


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Ski Report for Mammoth Mountain, California

Daily Ski Conditions for Mammoth Mountain, California

Mammoth is riding a warm-but-improving early season: upper mountain base around 30" and Main Lodge/base area about 15", with a season total near 40" so far according to local reports and the weekly summary. The hill saw little new accumulation in the immediate 24–48 hour window — most large recent precipitation fell earlier in the week and webcams/local reporters show mainly clear, sun‑soaked days with pockets of fresh higher-up snow reported midweek forecasts. Lift and trail counts are mixed across sources: the resort’s updates and local trackers show roughly 15–24 lifts operating with about 70–80 trails open on recent reports, though some trackers list fewer lifts due to phased upper‑mountain openings, so expect variations day‑to‑day. Weather on‑mountain has been mild and mostly clear with daytime highs in the 40s–50s°F at town level and colder up high; daytime temps around 45–58°F in recent forecasts and overnight lows in the 20s–30s°F are expected. The 5‑day outlook trends mostly dry and partly cloudy through midweek with a weak system and light snow predicted around Dec 17 promising a small refresh (around an inch in some model runs), then clearer/colder weather after that — check updated forecasts before you go since mountain weather can change fast. Piste conditions are described as variable: sun‑affected groomers at lower elevations are spring‑like in the afternoons and can get slushy, while upper‑mountain groomers and shaded chutes are firmer with tracked powder pockets where recent storms left accumulations. Off‑piste terrain is a patchwork — some high‑elevation north‑facing bowls still hold soft snow and wind‑blown pockets, but many lower and exposed areas have wind crust or thin coverage and require careful route choice and avalanche awareness. Snowmaking has been active where temperatures allowed and has helped establish coverage on key runs and Broadway, which keeps the parks and lower lifts usable despite limited natural snow in valley areas. Important visitor notes: upper‑mountain access can be limited until a more robust base is built — expect phased openings and possible lift changes, carry layers for large temp swings, and plan travel with tire chains or AWD as travel conditions to Mammoth can vary when storms hit. For the most current minute‑by‑minute lift status, trail openings and live webcams, consult the resort’s mountain report and local snow reporters before driving up, since counts and conditions are updating frequently as snow and temperatures change.

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Mammoth Mountain, California Ski ReportBy Inception Point Ai