Environment Canada has issued a special weather statement for all of Nova Scotia, calling for a mix of snow, ice and rain on Wednesday.
Specific details aren't yet known, but it says some areas of the province may experience snow and blowing snow, which could reduce visibility and make travel difficult.
Snow is expected to start falling in the southwest Tuesday night, spreading northeastward.
According to the 3:40 p.m. Monday update to the weather advisory, snow should change to ice pellets, freezing rain, then rain by Wednesday afternoon.
Environment Canada says 10 to 30 cm of snow is possible.
Forecasters are monitoring the situation and will provide updates when the information is available.