The start of the Labour Day long weekend is expected to bring mixed conditions, with cloudy skies in the Greater Toronto Area and a chance of showers and thunderstorms in other parts of southern Ontario.

Saturday morning will bring a mix of sun and clouds to Toronto, Mississauga, Brampton, Oshawa, Pickering and Niagara Falls.

Skies will start off sunny in Hamilton early in the morning before turning to a mix of sun and clouds with a 40 per cent chance of showers. There’s also a 30 per cent chance of showers in Niagara Falls, and a risk of thunderstorms in the Ottawa area.

The daytime high will be around 24 C in Mississauga but could feel more like 29 C due to the humidity. The UV index will be 7 or “high,” the weather agency says.

READ MORE: Perfect summer conditions forecast the long weekend forecast in southern Ontario

Saturday night will be mainly cloudy in the GTA and dry in Toronto, Mississauga and Brampton, while Hamilton and Niagara Falls could see more showers with a 30 per cent chance expected and a possibility of fog patches developing overnight.

The overnight low will be around 15 C in Mississauga.

Sunny skies are expected across the GTA for the rest of the long weekend, the weather agency says. Sunday will be sunny during the day with a high of 25 C, with clear skies in the evening and a low of 12 C. Conditions on Monday will be more of the same, with sunny skies during the day, a high of 25 C and a low of 12 C.


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