Warmer weekend for Montreal

The threat of frost is over for the time being with warmer southwest winds increasing this morning. Temperatures were very cool overnight for this early in September. Frost was reported in some areas north of Montreal and in the Ottawa and Rideau Valley's. It was as cold as 5C (41F) here on L'Ile Perrot this morning, 4C in Ottawa, and 1C (33F) in Sherbrooke. Temperatures will warm quickly today with bright sunshine and highs near 21C (70F). A cold front will sweep the St. Lawrence Valley by mid-day Saturday with increasing clouds tonight and showers Saturday. Sunday will see some residual clouds and showers before skies clear in the afternoon.