January is coming to a close with another winter weather advisory for the GTA. Environment Canada is forecasting up to 10 centimetres of snow for the GTA by the end of the weekend. The snowfall is forecast to end Sunday afternoon with another five centimetres of accumulation expected, with a daytime high of 1 C.A travel advisory is in effect for the GTA. The national weather agency said a snowfall warning will be issued if snowfall exceeds 15 centimetres in less than 12 hours. The weekend forecast follows this week’s significant winter storm, when up to 16 centimetres of snow caused flight delays and transit shutdowns.