Windsor-Essex and Chatham-Kent are under a snowfall warning.

Environment Canada says 15 to 20 centimetres of snow is possible, starting Sunday morning and ending early Monday. It could significantly impact the Monday commute.

A low pressure system in Colorado is expected to track towards the central Great Lakes later this weekend and impact southwestern Ontario.

Prepare for quickly changing and deteriorating travel conditions. Surfaces such as highways, roads, walkways and parking lots may become difficult to navigate due to accumulating snow.