The week wraps up with rain, wind and a blast of colder air, but the forecast could improve just in time for the weekend. Environment Canada is calling for mainly cloudy skies Thursday, with a high of 11 C. Clouds will continue into the night, with a 40 per cent chance of showers during the evening. Periods of rain are expected to begin after midnight, bringing 10 to 15 millimetres to Barrie. The national weather agency says Friday will be cloudy with a 40 per cent chance of showers. Winds will shift to the north and strengthen to 30 kilometres an hour, gusting up to 50 in the morning. The daytime high will reach 11 C. A noticeable drop in temperature is expected Friday night. Environment Canada is calling for a low of -1 C, mixed with windy conditions and a 60 per cent chance of rain showers. Saturday is expected to be sunny with a high of 8 C. Cloudy periods could develop Saturday night, with a 30 per cent chance of showers and a low of 1 C. Environment Canada says Sunday is shaping up to be the warmer and brighter day of the weekend, with sunshine and a high of 14 C. Skies will be clear Sunday night as temperatures fall to around 5 C.