Those hoping to make the most of the weekend may want to take advantage of Saturday, before showers start rolling in on Sunday. Environment Canada says Friday is shaping up to be warm in Barrie, with a mix of sun and cloud and a high of 25 C. The humidex will reach 26, with a high UV index of 7. Saturday will bring another mix of sun and cloud with a high of 25 C, though it could feel closer to 28 with the humidex. Clouds move in Saturday night, state weather experts, along with a 30 per cent chance of showers and a low of 16 C. The national weather agency says Sunday will be cloudier and cooler, with a 70 per cent chance of showers and a high of 21 C. The chance of showers drops to 40 per cent Sunday night, with a low of 17 C.