What’s the weather at Montchavin - La Plagne today? The current Montchavin - La Plagne weather is: Cloudy, 12 C° base and 2 C° Summit, 8 km/h wind. Scroll down to Hour by Hour for an hourly Montchavin - La Plagne weather forecast breakdown for a detailed Montchavin - La Plagne weather and snow forecast for the next seven days.