Another hot and humid day is in the forecast for Ottawa, but there is a risk of rain this afternoon and tonight. Environment Canada’s forecast calls for a mix of sun and cloud today with a 40 per cent chance of showers late this afternoon. There is a risk of a thunderstorm. High 29 C with the humidex making it feel like 39. It will be mainly cloudy tonight with a 40 per cent chance of showers this evening. Low 19 C. Friday will be mainly cloudy with a chance of showers in the afternoon. High 29 C with the humidex making it feel like 37. Mainly cloudy conditions are expected on Saturday with a 60 per cent chance of showers. High 27 C. The outlook for Sunday calls for a mix of sun and cloud. High 27 C. Monday will see a mix of sun and cloud with a 60 per cent chance of showers. High 27 C. The normal temperatures for this time of year are a high of 26 C and allow of 16 C.