Thunderstorm risk Thursday across Durham, 10-15 mm of rain possible

Southern Ontario faces a chance of showers and a risk of thunderstorms on Thursday, October 15, with Durham Region in the forecast area, according to INsauga's weather report citing Environment and Climate Change Canada.

Thursday morning is expected to be cloudy across Toronto, Mississauga, Brampton, Hamilton, Oshawa, Burlington and the Niagara Falls area, with 20 km/h morning winds across the GTA. The daytime high is forecast around 13 C in Mississauga, with a UV index of 3, rated moderate; the seasonal normal for October 15 is 4 to 13 C.

Thursday evening brings a 40 per cent chance of showers in Toronto, Mississauga and much of southern Ontario, followed by periods of rain with an overnight thunderstorm risk. Between 10 and 15 millimetres of rain is possible in the GTA and surrounding areas, with evening winds up to 20 km/h dying down around midnight.

Looking ahead, Friday is expected to bring more showers and possibly windy conditions with a high of 14 C and a low of 0 C in Mississauga, followed by a sunny Saturday with a high of 10 C and a low of 1 C. Sunday should be sunny with a high of 15 C and a low of 5 C, while Monday brings a mix of sun and cloud with a high of 16 C.