The start of the Civic Holiday long weekend could bring showers to the Greater Toronto Area and a risk of thunderstorms to parts of southern Ontario.<\/p>\n
Environment and Climate Change Canada says Saturday\u2019s forecast calls for a mix of sun and cloudy conditions in the morning and a 30 per cent chance of showers in Toronto, Mississauga, Brampton, Hamilton, Oshawa, Pickering and the Niagara Falls area.<\/p>\n
The daytime high will be around 28 C in Mississauga but could feel more like 32 C due to the humidity. The seasonal normal is between 15 C and 27 C.<\/p>\n
The UV index will be 9 or \u201cvery high,\u201d the weather agency says.<\/p>\n
Saturday night will be cloudy with another 30 per cent chance of showers in Toronto, Mississauga, Brampton and across the GTA. There\u2019s a risk of thunderstorms overnight in some areas, including Hamilton, Niagara Falls, St. Catharines, Newmarket, Kitchener and Orillia.<\/p>\n
A 20 km\/h north wind is expected in the evening, dying down in the later hours. The overnight low will be around 18 C to 20 C in the GTA, the weather agency says.<\/p>\n
Looking ahead to Sunday, cloudy skies and a 40 per cent chance of rain are expected with a high of 24 C and low of 15 C, Environment Canada says. It could feel like 32 C in the afternoon, according to the Weather Network. Expect periods of rain in Mississauga during the day with a risk of a<\/p>\n
Monday could bring mainly sunny skies\u00a0 with a high of 26 C that could feel like 30 C due to the humidity during the day and a low of 15 C in the evening.<\/p>\n