Mammoth Mountain Weekly Snow Report: December 11, 2025

As we roll into Night of Lights weekend, we’ve got 15 lifts spinning and over 60 trails open. Top to bottom skiing means you can settle into whatever rhythm you’re feeling, from mellow cruising to confident carving and everything in between. A forecast of moderate temps, calm winds, and clear skies is setting us up for smooth, sun-soaked laps all weekend long.