Tonight

A few clouds. Fog patches developing near midnight. Low 16.

Sunday

Increasing cloudiness early in the morning. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 20 km/h gusting to 40 in the afternoon. High 30. Humidex 36. UV index 7 or high.

Sunday night

Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h becoming light in the evening. Low 18.