WATERLOO -- Environment Canada is warning residents in Waterloo-Wellington of potential heavy snowfall starting this weekend.

The national weather agency issued a winter weather travel advisory for Saturday, with five to 10 centimetres of snow expected to fall.

As of 4 p.m. Friday, advisories are in place for Waterloo-Wellington, as well as regions bordering Lake Ontario.

Impacted areas include:

  • Waterloo
  • Kitchener
  • Cambridge
  • Southern Wellington County
  • Guelph
  • Erin

Environment Canada warns that untreated roadways will impact travel and motorists should exercise caution.

Motorists should expect hazardous winter driving conditions and adjust travel plans accordingly.