Southwestsern Ontario will move from heat and humidity at the start of the week toward more moderate temperatures by midweek. Expect hot and humid conditions Monday, with a mix of sun and cloud and a chance of showers developing later in the day. The forecast calls for a 40 per cent chance of showers Monday afternoon, along with a risk of thunderstorms. The temperature is expected to reach a high of 30 C, with humid conditions making it feel closer to 39. Conditions are expected to remain unsettled Monday night. Environment Canada is forecasting mainly cloudy skies with a 70 per cent chance of showers and a continued risk of thunderstorms. The temperature falls to a low of 19 C. The weather is expected to cool somewhat on Tuesday. Forecasters are calling for mainly cloudy skies with a 40 per cent chance of showers and a risk of thunderstorms. The daytime high is forecast at 25 C, with a humidex value of 31. Wednesday is expected to see a mix of sun and cloud with a high of 25 C, followed by cloudy periods overnight and a low of 15 C. Thursday’s forecast calls for a mix of sun and cloud and a high of 27 C.
