The snowfall warning is in effect for Peterborough County, Kawartha Lakes, Northumberland County, and Hastings County.
Precipitation will begin as rain Wednesday evening, with freezing rain and ice pellets possible Thursday morning and afternoon.
Snow will begin Thursday afternoon and continue through Friday morning. Total snowfall accumulations of 10 to 20 cm are possible. As the track of the low pressure system remains uncertain, precipitation timing and amounts may change.
Travel is expected to become difficult as road conditions are unpredictable.