What’s the weather at Champoluc - Monterosa Ski today? The current Champoluc - Monterosa Ski weather is: Clear, 13 C° base and 9 C° Summit, 4 km/h wind. Scroll down to Hour by Hour for an hourly Champoluc - Monterosa Ski weather forecast breakdown for a detailed Champoluc - Monterosa Ski weather and snow forecast for the next seven days.