You may want to keep the umbrella handy today as you head out the door in Ottawa, with a risk of rain today and tonight. Environment Canada’s forecast calls for a mix of sun and cloud today with a 30 per cent chance of showers this afternoon. High 24 C with the humidex making it feel like 29. It will be mainly cloudy tonight with a 30 per cent chance of showers this evening. Environment Canada says it will clear late this evening. Low 11 C. Friday will be mainly sunny. High 25 C. Saturday will see sunshine. High 27 C. The outlook for Sunday calls for cloudy with a 60 per cent chance of showers. High 22 C. Monday will be cloudy with a 30 per cent chance of showers. High 21 C. The normal temperatures for this time of year are a high of 24 C and a low of 14 C.