Residents in parts of Lambton County could be digging out again Friday.
Environment Canada elevated a snow squall watch to a warning for north and east Lambton.
The weather agency said heavy squalls are expected to impact those areas Friday afternoon and continue through the day, with possible snowfall totals of 15 centimetres to 20 centimetres.
Visibility may be reduced at times in snow and blowing snow.
Motorists are reminded to adjust changing conditions and slow down.