The weekend will only bring minimal relief from the hot and humid weather of recent days.
A heat warning from Environment Canada remains in effect for the region, calling for humidex values reaching 40 on Friday.
Cooler temperatures overnight will bring some relief for Saturday.
Meteorologists say a “heat dome” is over most of Ontario, capping in hot and humid air. Check out an article explaining the heat dome effect in the National Post . ** Environment Canada’s forecast for Ottawa: **
** Friday **
Sunny near noon then a mix of sun and cloud with 40 percent chance of showers. Risk of a thunderstorm this afternoon. Wind west 20 km/h gusting to 40. High 31. Humidex 37. UV index 9 or very high.
** Friday night **
Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low 18. ** Saturday **
A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming northwest 20 km/h in the afternoon. High 27. Humidex 33. ** Sunday ** - Sunny. High 27. ** Monday ** - A mix of sun and cloud with 30 percent chance of showers. High 29. ** Tuesday ** - A mix of sun and cloud. High 27. ** Wednesday ** - Sunny. High 29. ** Thursday ** - A mix of sun and cloud. High 27.