Less than two months since Mammoth Mountain’s historic ski season concluded, the first snowfall of the new season is set to arrive in the Sierra Nevada.

Weather models predict a low-pressure system with Canadian roots will bring cool temperatures and rain showers to the California coast and Central Valley on Saturday. In the Sierra Nevada, the air is expected to be cold enough for the first snowfall of the season at Kirkwood Mountain, Mammoth Mountain and other high-elevation ski resorts.