Bundle up; there's a winter weather travel advisory in effect for Waterloo, Guelph, and Cambridge.
Lake effect snow squalls are expected to continue from Saturday night through Sunday.
Environment Canada estimates that local snowfall amounts will reach 10 to 20 cm by Sunday night.
Visibilities may be reduced to near zero in heavy snow and local blowing snow and motorists should expect hazardous winter driving conditions and are advised to adjust travel plans accordingly.