Heavy snow is expected to begin Monday evening and last into Tuesday, according to Environment Canada.
There is a special weather statement for Ottawa South & North, Kanata, Orléans, Richmond and Melcalfe.
The total snowfall could be 10cm for both days combined.
Roads may become hazardous with heavy snow combined with blowing winds.
The snow is associated to an Alberta Clipper tracking over Southern Ontario Monday, according to Environment Canada.