As Mariah Carey defrosts for Christmas, Windsor is doing the opposite as winter makes its first appearance this weekend. Saturday remains fall-like, with clouds, rain and somewhat mild temperatures. Reaching a high of 7, there is no risk of snow, until Sunday. Periods of rain are expected to begin near midnight, and Sunday morning brings a chance of either snow or rain, which is set to end in the afternoon. For those planning to drive on Sunday, putting those winter tires on today would be wise, as up to 2 cm of snow could fall. Sunday night and Monday morning bring a 40 per cent chance of flurries. Here’s a look at the rest of the forecast Saturday: Mainly cloudy. 40 per cent chance of showers early this morning. High 7. UV index 2 or low. Saturday night: Cloudy. Periods of rain beginning near midnight. Wind becoming northeast 20 km/h near midnight. Low plus 2. Sunday: Snow or rain ending in the afternoon then cloudy. Snowfall amount 2 cm. Wind northeast 30 km/h gusting to 50. High plus 2. Monday: Cloudy with 40 per cent chance of flurries. High plus 2. Tuesday: Cloudy. High plus 4. Wednesday: A mix of sun and cloud. High 8. Thursday: A mix of sun and cloud. High 8.