Friday in Ottawa will be humid, bringing a chance of showers and the risk of a thunderstorm in the afternoon. Environment Canada’s weather forecast for the capital calls for a high of 28 C with a humidex of 36. There will be a mix of sun and cloud with a 30 per cent chance of showers and a possible thunderstorm. Expect a partly cloudy sky in the evening with a low of 18 C and a 30 per cent chance of showers. Saturday is looking cloudy with a high of 28 C and a humidex of 36. There is a 60 per cent chance of showers and a risk of a thunderstorm during the day. Sunday’s forecast is sunny with a high of 27 C. Monday could see a few clouds and a chance of showers with a high of 27 C. Cloudy days are anticipated into next week.