Parts of Muskoka are under a snowfall warning today.

Environment Canada issued the warning this morning, as 15 to 20 centimeters of snow is expected to fall in Port Carling, Port Severn, Bracebridge and Gravenhurst.

The snow will begin today and continue, heavy at times, until Wednesday morning.

Drivers are encouraged to prepare for quickly changing and deteriorating travel conditions.

Visibility may be suddenly reduced in heavy snow.